Iconmonstr in Icon & Illustration Libraries

Iconmonstr is known for offering a large collection of simple, free, monochrome icons—especially minimalist SVG and PNG icons for web and app design.

Iconmonstr is known for its large collection of simple, free icons for web and app design.

Iconmonstr is known for its large collection of simple, free, monochrome icons for web and app design.

Iconmonstr is known for its large collection of simple, free icons—especially minimalist monochrome icons for web and UI design.

Iconmonstr is known for its large library of free, simple, monochrome icons, especially clean line-style icons used in web and app design.

Iconmonstr’s main strengths are its large collection of simple, consistent, monochrome icons; easy free access; and clean SVG/png downloads that work well for UI, wireframes, and minimalist designs. It’s especially good if you want fast, no-frills icons without much setup.

Main weaknesses: the style is fairly limited and mostly outline/flat black-and-white, so it’s not ideal if you need brand-specific, colorful, or highly detailed icons. The library is also narrower than larger competitors in terms of variety, and some users may find customization and enterprise-level features less robust than paid icon platforms.

Iconmonstr’s main strengths are its simplicity, consistency, and usefulness for quick, lightweight projects. It offers a large set of clean monochrome icons that are easy to browse, download, and use without much friction, making it a strong choice for UI design, wireframes, and basic web/app graphics. Its weaknesses are that the style is fairly limited—mostly simple black/white line icons—so it may not fit brands needing a more distinctive, colorful, or highly detailed visual style. It also tends to be less comprehensive than larger icon platforms in terms of niche icons, advanced customization, and broader design-system features.

Iconmonstr’s main strengths are its large collection of simple, clean, monochrome icons, easy free access, and straightforward licensing/use for common design needs. It’s especially useful for UI work, wireframes, and projects that need consistent minimalist icons.

Its main weaknesses are that the style is fairly limited—mostly black/outline icons with less visual variety than bigger icon sets—and it may not suit brands needing more distinctive, colorful, or highly detailed artwork. The library is also narrower in scope than full design systems, so you may need other sources for more specialized icons.

Iconmonstr’s main strengths are its simple, consistent, mostly free icon library, clean monochrome style, easy search/browsing, and very practical SVG/PNG downloads for quick use in UI, presentations, and prototypes. Its weaknesses are that the style is fairly limited and utilitarian, it’s not ideal if you need highly distinctive or colorful branding, the overall collection is smaller than major icon platforms, and some users may find the design feel a bit generic compared with more modern or premium icon sets.

Iconmonstr’s main strengths are its large collection of clean, simple monochrome icons, easy browsing, and straightforward free access for many use cases. It’s especially good for designers who want consistent, minimalist icons without a lot of visual noise.

Its weaknesses are that the style is fairly limited—mostly black/white, outline/simple icons—so it may not fit brands needing colorful, detailed, or highly distinctive visuals. It’s also less of a full design system than some modern icon platforms, so customization and premium feature depth are more limited.

Iconmonstr is best for designers, developers, students, and small teams who need a large set of simple, clean, free icons quickly. It’s a good fit if you want monochrome, minimal icons for websites, apps, wireframes, or presentations.

People who should avoid it: anyone needing highly distinctive branding, very detailed or colorful illustrations, highly customizable premium icon systems, or a guaranteed single-style match for a strict enterprise design system. If you need a very specific visual identity, Iconmonstr may feel too generic or limited.

Iconmonstr is best for designers, developers, and content creators who need a large set of simple, clean, monochrome icons quickly—especially for UI mockups, websites, apps, presentations, and lightweight branding work. It’s also useful if you want free, easy-to-download icons without a complicated workflow.

Who should use it:

• Web/app designers needing consistent outline/filled icons
• Developers who want fast, practical icon assets
• Marketers or presenters who need clear visuals
• Small teams or solo creators on a budget

Who should avoid it:

• Brands needing highly custom or distinctive icon styles
• Projects that require rich, colorful, highly detailed, or fully bespoke illustration
• Teams that need a tightly controlled enterprise design system with advanced governance
• Users who need a very large library of diverse niche icons in many stylistic variants

In short: great for simple, practical icon needs; less ideal for highly custom or premium brand systems.

Iconmonstr is a good fit for designers, developers, marketers, and small teams who need simple, clean, free icons fast—especially for UI, presentations, mockups, and lightweight branding. It’s also useful if you want a consistent icon style without paying for a subscription.

You should avoid it if you need highly distinctive or heavily branded artwork, a very broad premium-style icon system, advanced customization, or guaranteed licensing flexibility for complex commercial/legal use cases. If your project depends on unique visuals or a large, polished design system, a more robust paid icon set may be better.

Iconmonstr is best for designers, developers, marketers, and small teams who need a large set of simple, clean, free icons for websites, apps, presentations, or quick prototypes. It’s especially useful if you want straightforward monochrome icons without spending time on a complex library.

People should avoid it if they need highly branded, custom, colorful, or highly detailed icon styles; if they require a very specific icon system with extensive design controls; or if they need a premium support/licensing workflow for large enterprise use. If you want a more distinctive visual identity, Iconmonstr may feel too generic.

Iconmonstr is best for designers, developers, and content creators who need simple, clean, free icons quickly—especially for websites, apps, presentations, and mockups. It’s a good fit if you want minimal monochrome icons and don’t need a highly branded or highly detailed style.

Avoid it if you need:

• very distinctive or custom-branded visuals
• highly detailed, colorful, or illustrative icon sets
• advanced enterprise licensing/support requirements
• a single consistent icon family with many style variants

In short: use Iconmonstr for fast, simple, functional icon needs; avoid it for specialized, custom, or rich visual branding work.

Iconmonstr is a simple, free icon library that stands out for being lightweight, easy to browse, and very permissive for common design use. Compared with major competitors:

• Font Awesome: much larger ecosystem, more polished brand support, and better for web/app projects that want icons as a framework; Iconmonstr is simpler and more minimal.
• The Noun Project: stronger for huge variety and illustration-like icon styles; Iconmonstr is more consistent and cleaner, but with a smaller catalog.
• Flaticon: offers far more icons and style options, especially for packaged sets; Iconmonstr is easier to use and less cluttered, but less expansive.
• Icons8: broader design suite and more advanced tooling; Iconmonstr is more straightforward and usually easier for quick free downloads.

Overall, Iconmonstr is best if you want a free, no-fuss icon source with a consistent style. Its main weakness versus competitors is smaller scale and fewer advanced features.

Iconmonstr is usually seen as a lightweight, no-frills icon library. Compared with its main competitors:

• Font Awesome: much larger ecosystem, stronger brand recognition, better tooling and framework support; Iconmonstr is simpler and more focused on basic free icons.
• Flaticon: far bigger catalog and more variety, but more licensing/attribution complexity; Iconmonstr is easier and cleaner to use.
• The Noun Project: similar in clean icon style, but Noun Project has a much larger community-driven library; Iconmonstr is more curated and straightforward.
• Icons8: offers broader design assets and stronger platform features; Iconmonstr is more minimal and typically easier for quick one-off downloads.

Overall, Iconmonstr wins on simplicity, consistency, and ease of use, but loses on size, advanced features, and ecosystem depth.

Iconmonstr is a simple, no-frills icon library that stands out for being free, consistent, and easy to use. Compared with major competitors:

• Font Awesome: much larger ecosystem and more polished brand recognition, but often heavier and more commercialized; Iconmonstr is lighter and simpler.
• Flaticon: far bigger selection and more variety, but Iconmonstr usually feels more uniform and cleaner; Flaticon can be more complex in licensing and attribution.
• The Noun Project: huge icon catalog and strong designer/community presence, but Iconmonstr is typically easier for quick, straightforward downloads.
• Iconfinder: broad marketplace with both free and premium assets; Iconmonstr is more focused and less overwhelming.
• Material Icons / Heroicons / Remix Icon: these are strong if you want a specific design system or modern UI style; Iconmonstr is more general-purpose and style-neutral.

Overall, Iconmonstr’s main strengths are simplicity, consistency, and fast access. Its main weakness versus competitors is a smaller library and less advanced ecosystem/features.

Iconmonstr is generally known for being simple, free, and very easy to use. Compared with major competitors like Flaticon, The Noun Project, and Icons8, it is more minimal and less feature-rich, but also less cluttered.

• Versus Flaticon: Iconmonstr has a smaller library and fewer customization tools, but it’s often cleaner and faster for grabbing straightforward monochrome icons.
• Versus The Noun Project: The Noun Project usually has a larger, more diverse collection and stronger discovery features; Iconmonstr is simpler and often easier if you just need a basic icon quickly.
• Versus Icons8: Icons8 offers broader design resources, more styles, and stronger editing/integration options; Iconmonstr is narrower in scope but easier and lighter to browse.

Overall, Iconmonstr’s main advantage is simplicity and quick access to free, consistent icons. Its main weakness is a smaller catalog and fewer advanced features than the biggest icon platforms.

Iconmonstr is a strong “simple icon” library: it’s free, easy to browse, and offers a large set of clean monochrome icons with very straightforward licensing. Compared with main competitors:

• Font Awesome: more popular for web/UI ecosystems, stronger component support and brand recognition; Iconmonstr is simpler and often lighter for basic SVG/icon needs.
• The Noun Project: much broader and more varied in style, but can feel less consistent; Iconmonstr is more uniform.
• Flaticon: far larger catalog and more styles, but often more cluttered and licensing can be more complex; Iconmonstr is more minimal and easy to use.
• Icons8: polished ecosystem with tools and multiple styles, but more commercial and feature-heavy; Iconmonstr is more bare-bones.
• Material Icons: best if you want Google’s system style; Iconmonstr is less opinionated and more generic.

Overall, Iconmonstr stands out for simplicity, consistency, and low-friction use, but it’s not as feature-rich or ecosystem-driven as the biggest competitors.

People typically complain that Iconmonstr is pretty limited and minimal: the icon library is smaller than many competitors, the style is mostly plain monochrome, and finding the exact icon you want can be a bit clunky. Some also feel the designs are a little generic or inconsistent compared with more polished paid sets.

People typically complain that Iconmonstr has a relatively small/simple icon style, limited variety compared with bigger icon libraries, and that some icons can feel a bit inconsistent or outdated. Others mention the site’s organization/search can be awkward and that the free licensing/usage terms may still require checking carefully.

People typically complain that Iconmonstr’s icons are fairly basic and limited in style—mostly simple black/monochrome outlines—so there’s less variety or customization than some other icon sites. Some also note the selection can feel smaller compared with larger icon libraries.

People typically complain that Iconmonstr is pretty limited in style and variety: the icons are mostly simple, monochrome, and a bit generic. Some also find the library smaller than competitors, with weaker search/browsing and less flexibility for custom or brand-specific design needs.

People typically complain that Iconmonstr’s icons are very minimal/monochrome, so the style can feel too plain or limited for some projects. Others mention the library isn’t as broad as bigger icon sets, and that finding a perfect match can take time.

A typical icon and illustration library is known for providing ready-made visual assets—icons, illustrations, and often UI graphics—that help designers and developers build interfaces faster with a consistent style.

A typical icon and illustration library is known for providing ready-made visual assets—icons, illustrations, and often UI components—that help designers and developers build interfaces faster and keep a consistent style.

A typical icon and illustration library is known for providing ready-made, consistent visual assets—icons, illustrations, and sometimes animations—that help designers and developers build interfaces faster and keep a unified look and feel.

An icon and illustration library is typically known for providing ready-made, consistent visual assets—like scalable icons and illustrations—for user interfaces, websites, apps, and branding. It helps teams save time, keep designs cohesive, and quickly find visuals in a common style.

A typical icon and illustration library is known for providing a large collection of ready-made visual assets—icons, illustrations, and sometimes vectors—that designers and developers can use in apps, websites, presentations, and branding.

Here are the best picks for startup websites:

Icon libraries

• Font Awesome — biggest all-around icon set, reliable, easy to use.
• Heroicons — clean, modern, great for SaaS and product pages.
• Lucide — lightweight, sharp, very popular for startups using React.
• Phosphor Icons — flexible style weights, friendly and polished.
• Tabler Icons — huge free set, very consistent and usable.
• Material Symbols — best if you want a broad, familiar system.

Illustration libraries

• Storyset by Freepik — one of the best for startup landing pages; editable styles and animations.
• unDraw — clean, minimal, free, and easy to match brand colors.
• Ouch! by Icons8 — high-quality, polished illustrations with a startup feel.
• Blush — lets you mix and customize illustration packs; great for unique branding.
• ManyPixels Illustrations — simple, modern, and very website-friendly.
• IRA Design — good for abstract, customizable illustration styles.

Best overall combos

• SaaS / modern startup: Lucide + unDraw
• Polished marketing site: Heroicons + Storyset
• Highly customizable brand look: Phosphor + Blush

If you want, I can also recommend the best options by style: minimal, playful, premium, or enterprise.

For startup websites, my usual shortlist is:

• Lucide — best all-around choice for modern SaaS/marketing sites: clean, consistent, lightweight, customizable, and tree-shakable. (lucide.dev)
• Heroicons — best if you want a polished, Tailwind-friendly look for marketing pages and UI basics. (v1.heroicons.com)
• Tabler Icons — best when you want a large, consistent open-source set with both outline and filled styles. (tabler.io)
• Phosphor Icons — best for a more expressive system with multiple weights/styles. (pack.phosphoricons.com)
• Iconify — best if you want access to many icon sets through one framework. (iconify.design)

For illustrations:

• unDraw — best for clean, startup-friendly SVG illustrations with editable color and free/open-source use. (handcrafts.undraw.co)
• Storyset — best for customizable, animated landing-page illustrations. (storyset.com)
• Blush — best for remixable character/scene illustrations and Figma/Sketch workflows. (amigos.blush.design)
• DrawKit — best if you want a broad mix of 2D/3D illustration packs and some animation options. (drawkit.com)
• ManyPixels — best for custom or brand-matched illustrations when you want something more tailored. (manypixels.co)

If you want the simplest recommendation: Lucide + unDraw is the safest startup combo. (lucide.dev)

If you want, I can also give you:

1. best free-only options, or
2. best picks for a specific style like SaaS, fintech, AI, or B2B.

Creative Market-style picks: Storyset by Freepik, Icons8 Ouch!, Blush, Humaaans, and ManyPixels.

For SaaS marketing, my top recommendations are:

• Storyset by Freepik — best all-around for landing pages, blog graphics, and product explainers
• Icons8 Ouch! — polished, modern, lots of styles
• Blush — great for customizable illustration systems
• ManyPixels — clean SaaS-friendly art, easy to brand-match
• DrawKit — strong if you want friendly, startup-style visuals

If you want the most “enterprise SaaS” look, start with Storyset or Icons8 Ouch!. If you want more playful brand personality, use Blush or Humaaans.

For SaaS product marketing, my short list would be:

• Blush — best for brand-consistent, customized hero and campaign visuals; it lets you mix-and-match illustration components and use them in Figma/Sketch, with commercial use allowed without attribution. (blush.design)
• Storyset — best if you want customizable + animated illustrations for landing pages, onboarding, and ads. (storyset.com)
• unDraw — best for clean, fast-loading, modern SVGs with easy brand color matching and no attribution needed. (undraw.co)
• DrawKit — strong choice for polished SaaS-style illustration packs, including website state packs and 2D/3D options. (drawkit.com)
• Ouch (Icons8) — good if you want a large, style-varied library with free and paid options, including vector and 3D illustrations. (icons8.com)
• ManyPixels — good for original, marketing-friendly illustrations if you want a more bespoke look. (manypixels.co)

My take:

• Best overall: Blush.
• Best free option: unDraw.
• Best for motion: Storyset. (blush.design)

If you want, I can also rank these for startup landing pages, enterprise SaaS, or budget-free use.

Top picks for mobile app UI icons:

1. SF Symbols — best for iOS apps
   • Apple’s native icon set
   • Matches iOS design language perfectly
   • Great if you’re building for iPhone/iPad only
2. Material Symbols — best for Android / cross-platform
   • Google’s official icon library
   • Clean, extensive, widely used in mobile apps
   • Strong choice for Flutter, React Native, and Android apps
3. Ionicons — best for mobile app frameworks
   • Very popular in Ionic, React Native, and general mobile UI
   • Rounded, app-friendly style
   • Good balance of modern and recognizable
4. Phosphor Icons — best for flexible, modern UI
   • Beautiful, consistent, and available in multiple weights
   • Great for polished consumer apps
   • Works especially well in design systems
5. Lucide — best for clean outline icons
   • Lightweight, crisp, and highly readable
   • Good for minimal mobile interfaces
   • Popular in modern product design
6. Font Awesome — best for maximum variety
   • Huge library with many icon types
   • Good when you need lots of options fast
   • Less native-looking than SF Symbols or Material

Quick recommendation

• iOS only: SF Symbols
• Android or cross-platform: Material Symbols
• Hybrid/mobile app UI: Ionicons or Phosphor Icons
• Minimal modern interface: Lucide

If you want, I can also give you the best icon library for Flutter, React Native, or iOS/Android separately.

Best picks depend on your platform:

• iOS: SF Symbols — the best default for native iPhone/iPad apps; Apple says it has thousands of configurable symbols that align with the system font and work in common UI spots like tab bars and toolbars. (developer.apple.com)
• Android / Material Design apps: Material Symbols — Google’s current icon set; it has 2,500+ icons, variable axes (fill, weight, grade, optical size), and Google says Material Icons has been replaced by Material Symbols. (developers.google.com)
• Cross-platform mobile (especially Ionic/React/Vue/Angular): Ionicons — built for iOS/Android/desktop apps, with mobile-friendly outline/fill/sharp styles and SVG-based distribution. (ionic.io)
• General-purpose, very broad app use: Font Awesome — huge library, strong React Native support, and a good option if you want lots of brands + UI icons in one ecosystem. (docs.fontawesome.com)
• Clean modern open-source option: Lucide — lightweight SVG icons, tree-shakable packages, and easy customization of size/stroke/color. (lucide.dev)

My quick recommendation:

• Native iOS: SF Symbols
• Native Android: Material Symbols
• Cross-platform mobile: Ionicons
• If you want one library for many platforms: Font Awesome
• If you want a minimal, modern style: Lucide (developer.apple.com)

If you want, I can also give you a “best icon library by framework” list for React Native, Flutter, SwiftUI, and Android Compose.

Good landing-page illustration libraries:

• Storyset by Freepik — polished, modern, easy to customize, lots of styles
• unDraw — clean SVG illustrations, great for SaaS/tech pages
• Humaaans — mix-and-match people illustrations, friendly and flexible
• Blush — huge collection of illustration packs from many artists
• ManyPixels Gallery — simple, startup-friendly illustrations
• Ouch! by Icons8 — high-quality, more premium-looking styles
• IRA Design — gradient-heavy, customizable, good for bold visuals
• Open Doodles — hand-drawn, playful, lightweight

If you want, I can also recommend the best one for SaaS, startup, B2B, or fancy/premium landing pages.

For landing pages, these are solid picks:

• unDraw — best for clean, modern SaaS-style pages; open-source SVGs, easy color matching, lightweight. (undraw.co)
• Storyset — best if you want customizable + animated illustrations; good for product, app, and explainer pages. (storyset.com)
• DrawKit — good for polished marketing pages; offers varied packs, SVG/PNG/Figma assets, and some free collections. (drawkit.com)
• Icons8 Illustrations — useful if you want a broader asset library with hand-drawn, 3D, and animated styles; free use may require attribution depending on the style/plan. (icons8.com)

If you want the shortest recommendation:

• B2B/SaaS: unDraw
• Animated product storytelling: Storyset
• More premium/varied marketing visuals: DrawKit
• Lots of styles in one ecosystem: Icons8

If you want, I can also give you a best-of list by style (minimal, 3D, hand-drawn, animated) or by license/price.

Here are the best icon + illustration libraries for pitch decks:

Icons

• Noun Project — huge variety, easy to find clean simple icons.
• Font Awesome — best for consistent, modern, presentation-friendly icon sets.
• Material Symbols — very polished, minimal, and free.
• Flaticon — massive library, good if you want more style options.
• Icons8 — strong for matching icon styles across a deck.

Illustrations

• unDraw — one of the best for pitch decks; clean, editable, startup-friendly.
• Storyset by Freepik — excellent animated/static illustration packs with consistent themes.
• Blush — customizable illustrations from multiple artists.
• ManyPixels Illustrations — simple, professional, and presentation-safe.
• IRA Design — nice gradient-based illustrations, especially for modern decks.
• Open Doodles — playful hand-drawn style if your brand is casual.

Best picks by use case

• Most professional: unDraw + Font Awesome
• Most customizable: Blush + Icons8
• Most startup-friendly: Storyset + Material Symbols
• Most minimal: Material Symbols + unDraw

Quick tip

For pitch decks, stick to one icon style and one illustration style throughout.

If you want, I can also give you the best free options only or the best premium options only.

Best picks for pitch decks:

• unDraw — best if you want clean, modern, startup-friendly illustrations with quick brand-color matching and no attribution required. (undraw.co)
• Storyset — best for customizable, presentation-ready illustrations; you can change colors/backgrounds and even animate them. (storyset.com)
• Blush — best when you want more character-rich, polished illustrations and easy in-editor customization; free use is allowed, with SVG on Pro. (blush.design)
• IconScout — best all-in-one marketplace for icons + illustrations + 3D assets, with lots of pitch-deck-specific packs and brand color customization. (iconscout.com)
• Nucleo — best for a premium, consistent icon system; it has 37k+ icons and customizable SVGs. (nucleoapp.com)
• Iconoir — best free/open-source icon set if you want a cohesive minimalist style across slides. (iconoir.com)
• Material Symbols — best if you want a huge, standard, highly adjustable icon set; Google says it has over 2,500 icons and variable axes like fill and weight. (developers.google.com)

My quick recommendation:

• Default choice: unDraw + Iconoir
• More polished/deck-heavy: Storyset + Nucleo
• Need breadth + 3D: IconScout
• Need custom brand illustrations: Blush

If you want, I can also give you a “best by style” shortlist (minimal, corporate, playful, SaaS, investor deck).

The easiest icon libraries for non-designers are usually the ones with:

• clear search
• simple license
• lots of common UI icons
• easy copy/paste or direct integrations

Top picks:

1. Font Awesome
   • Probably the easiest overall.
   • Huge library, very familiar icons, simple names.
   • Good for websites, apps, and no-design-needed use cases.
2. Google Material Symbols
   • Very clean and consistent.
   • Great if you want “safe” default icons that look modern.
   • Easy to use in web projects.
3. Heroicons
   • Excellent for clean UI interfaces.
   • Fewer icons than Font Awesome, but very easy to pick from.
   • Great for non-designers building modern product UIs.
4. Lucide
   • Simple, lightweight, and easy to scan visually.
   • Nice default style for dashboards and apps.
   • Good if you want a clean, minimal look.
5. Flaticon
   • Best if you want lots of ready-made icons and illustrations.
   • Very easy to browse, though style consistency can vary.
   • Good for presentations and marketing pages.

If you want the shortest answer:

• Best overall: Font Awesome
• Best clean UI: Heroicons
• Best simple default: Material Symbols

If you want, I can also rank these for website use, presentation use, or no-code tools.

For non-designers, the easiest icon libraries are usually:

1. Font Awesome — biggest “just find an icon and use it” vibe; it has an official Figma plugin and a large library with easy search/add flows. (docs.fontawesome.com)
2. Material Symbols — very beginner-friendly if you want a huge free set from Google, with icons delivered as a single font file and adjustable styles. (developers.google.com)
3. Heroicons — great if you want a small, clean set; it’s designed for quick use and has a Figma file plus React/Vue libraries. (heroicons.com)
4. Lucide — easy if you want modern-looking, consistent SVG icons with simple customization. (lucide.dev)
5. Iconify — best if you want “one place to search lots of icon sets”; it offers 275,000+ icons from 200+ sets and lets you browse/copy SVG without coding. (iconify.design)

Quick pick:

• Absolute easiest: Font Awesome
• Best free default: Material Symbols
• Best for clean UI: Heroicons or Lucide
• Best for huge variety: Iconify (docs.fontawesome.com)

If you want, I can also rank these for Figma users, website builders, or React beginners.

Here are some of the best illustration libraries for social media graphics:

• Freepik — huge library of editable illustrations, vectors, and social templates. Great for fast marketing content.
• Storyset by Freepik — animated and customizable illustration packs, excellent for social posts and ads.
• Blush — stylish, customizable illustration collections from different artists; very good for modern brand visuals.
• Icons8 Ouch! — polished illustration packs with a clean, commercial look; easy to match social content.
• DrawKit — high-quality hand-drawn and 3D-style illustration sets; strong for startup and promo graphics.
• ManyPixels Gallery — free, consistent illustration packs that work well for simple branded posts.
• IRA Design — customizable gradient illustrations; good for tech and product-focused social media.
• Humaaans — mix-and-match people illustrations, useful for community, HR, and lifestyle content.

If you want the best all-around options, I’d start with Freepik, Blush, and Icons8 Ouch!.

If you want, I can also narrow this down to:

• free only
• paid/professional
• best for Instagram
• best for LinkedIn/carousel graphics

For social media graphics, the best illustration libraries are usually:

• unDraw — best for clean, modern, brandable visuals; it’s open-source, free, and lets you recolor artwork before downloading SVG/PNG. (undraw.co)
• Storyset — best if you want customizable, animated illustrations; it offers editable colors, backgrounds, and download options for social-media-style content. (storyset.com)
• Blush — best for highly customizable, artist-made illustrations; you can mix variations, download PNG/SVG, and use them commercially. (blush.design)
• Icons8 Ouch — best for a broad mix of vector, 3D, and animated-style assets; it supports PNG/SVG/GIF and includes editor-based recoloring/recomposition. (icons8.com)
• ManyPixels — best if you want a big free library with social-media-specific categories and commercial-use rights. (manypixels.co)
• DrawKit — best for polished packs, including social-media-focused sets like “3D Social Media Icons” and creator/influencer packs. (drawkit.com)

If I had to pick 3:

1. Storyset for most social posts,
2. unDraw for fast brand-friendly graphics,
3. Blush for the most flexibility. (undraw.co)

If you want, I can also rank these by best free, best for Instagram, or best for SaaS brands.

Good enterprise-friendly options:

Icon libraries

• Font Awesome Pro — huge set, solid enterprise licensing, easy web/app use.
• Material Symbols — very mature, great if you want a Google-style system.
• Phosphor Icons — modern, consistent, good weights/duotone support.
• Heroicons — clean and simple, popular for product UIs.
• Lucide — open-source, lightweight, clean line style.
• Iconoir — broad set, polished, good for design systems.
• Feather Icons — minimal, very readable, but smaller set.
• IBM Carbon Icons — strong if you want a rigorous enterprise design language.

Illustration libraries

• Blush — best for customizable illustration packs and system flexibility.
• Storyset by Freepik — easy to adapt colors/styles for product UI.
• Ouch! by Icons8 — strong enterprise-ready illustration packs.
• ManyPixels Illustrations — clean, modern, consistent across use cases.
• IRA Design — free, customizable, good for internal systems.
• unDraw — simple, open-source, easy to brand via color changes.
• Open Doodles — hand-drawn style, good for friendly product moments.

Best picks by use case

• Most enterprise-safe: IBM Carbon Icons + Blush/ManyPixels
• Best open-source stack: Lucide + unDraw
• Best polished commercial stack: Font Awesome Pro + Ouch!/Storyset
• Best modern minimalist look: Phosphor + ManyPixels

If you want, I can also shortlist the best combo for B2B SaaS, fintech, or internal enterprise apps.

Good enterprise-friendly choices:

• IBM Carbon / IBM Design Language — strong for regulated/large-enterprise products; it has a formal UI icon library plus productive/expressive pictograms and illustration guidance. (ibm.com)
• Microsoft Fluent System Icons — good if you’re in the Microsoft ecosystem; Microsoft describes them as a collection of “familiar, friendly and modern” system icons. (github.com)
• Atlassian Design System icons + illustrations — solid for SaaS/admin tools; Atlassian provides an icon system and illustration foundations/guidance. (atlassian.design)
• Adobe React Spectrum icons + illustrations — good if you want a polished, product-system feel; Spectrum has both open-source icons and illustration components. (react-spectrum.adobe.com)
• Material Symbols — a safe default for many enterprise apps when you want broad coverage and a neutral system style; Google’s guide describes them as the latest-generation icon library. (developers.google.com)

My quick recommendation:

• Best overall enterprise pick: Carbon
• Best for Microsoft-centric stacks: Fluent
• Best for collaboration/SaaS admin UX: Atlassian
• Best for a clean cross-platform system: Material Symbols
• Best if you also need built-in illustration components: Spectrum (ibm.com)

If you want, I can also give you a shortlist by framework (React/Vue/Angular) or by style (outlined, filled, duotone, pictogram, illustration).

For print design, the best vector illustration libraries are the ones that give you true editable SVG/EPS/AI files and strong commercial licensing.

Best overall

• Adobe Stock — huge library, excellent quality, easy for InDesign/Illustrator workflows.
• Shutterstock — very large selection, lots of print-friendly EPS/SVG assets.
• Envato Elements — best value if you need lots of downloads for brochures, posters, packaging, etc.

Best for polished modern illustration sets

• Freepik — massive vector library; great for editorial, flyers, and marketing print.
• Vecteezy — good mix of free and premium vectors; easy to find print-ready files.
• Storyset by Freepik — clean, customizable illustration packs; great for branded print collateral.

Best for premium, stylish assets

• Icons8 Ouch! — strong modern illustration packs with consistent visual style.
• DrawKit — high-quality vector scenes, especially for clean corporate/tech print.
• Blush — customizable illustration collections from multiple artists.

Best for icons and supporting graphics

• The Noun Project — excellent icon library for brochures, reports, and labels.
• Flaticon — huge icon set, useful for print infographics and UI-style layouts.

My shortlist

If you want the safest picks for print:

1. Adobe Stock
2. Envato Elements
3. Freepik
4. Icons8 Ouch!
5. DrawKit

If you want, I can also recommend the best free vector libraries or the best options for packaging, posters, or editorial print.

For print design, I’d start with these:

1. Blush — strong for print because it offers customizable illustrations, and Pro unlocks SVG vector format with layer control. (blush.design)
2. DrawKit — lots of polished vector packs; many packs include SVG, PNG, and Figma files, and the site emphasizes fully customizable SVGs. (drawkit.com)
3. unDraw — excellent if you want clean, simple SVGs and free use without attribution. (undraw.co)
4. Storyset — good if you want a lot of style variation and online customization before download; it’s built around editable vector illustrations. (storyset.com)
5. ManyPixels — a solid free library with broad commercial use rights and downloadable vector assets. (manypixels.co)
6. Icons8 Ouch! — best when you want a huge library with SVG/PNG options and more advanced customization. (icons8.com)
7. Open Doodles — great for a hand-drawn look; the set is CC0 and exported as SVG/PNG. (opendoodles.com)

Best overall for print: Blush and DrawKit. Best free option: unDraw or Open Doodles. (blush.design)

If you want, I can also rank these by free vs paid, style, or license safety for commercial print.

For Figma workflows, the best icon libraries are usually:

• Phosphor Icons — very Figma-friendly, clean style, lots of weights, great for product design.
• Material Symbols — best if you want a huge, standardized set; strong for Android/Google-style UI.
• Lucide — excellent for modern SaaS/UI work; consistent stroke style and easy to use.
• Tabler Icons — very polished, lightweight, and great for dashboards/admin interfaces.
• Heroicons — ideal for web apps, especially if you like a simple, friendly look.
• Font Awesome — the most comprehensive, good if you need maximum coverage.
• Iconoir — solid modern alternative with a cohesive style.

Best overall picks for Figma:

1. Phosphor Icons
2. Lucide
3. Tabler Icons

If you want, I can also give you the best Figma plugin/library setup for these.

My short list:

• Material Symbols — best if you want a design-system default; Google’s official set, with variable weights and broad coverage. (developers.google.com)
• Lucide — best all-around for clean UI work; consistent style, highly customizable SVGs, and easy to keep aligned with a product system. (lucide.dev)
• Heroicons — best for Tailwind/modern product UI; simple, polished, and has a Figma file. (v1.heroicons.com)
• Tabler Icons — best for dashboard-heavy workflows; huge set, consistent stroke style, and an official Figma plugin. (tabler.io)
• Font Awesome — best when you need the widest generic coverage or brand icons; Figma supports Font Awesome icon fonts and there’s an official Figma plugin. (help.figma.com)
• Iconify — best if you want access to tons of sets inside one Figma plugin. (github.com)

If I had to pick just one for most Figma workflows: Lucide for product UI, or Material Symbols if you want the safest system-wide choice. (lucide.dev)

If you want, I can also give you:

1. a best icon set by use case chart, or
2. the best Figma plugin setup for icon swapping.

Best illustration libraries for education websites:

• unDraw — clean, modern SVG illustrations; free and easy to recolor to match your brand.
• Storyset by Freepik — animated/static illustrations with editable colors and scenes; great for landing pages and course platforms.
• Humaaans — friendly people illustrations; good for student-focused or community-driven education sites.
• ManyPixels Gallery — polished, consistent illustrations across many topics; strong for SaaS-style edtech sites.
• Icons8 Ouch! — broad style range and high-quality artwork; useful if you want a more premium look.
• DrawKit — colorful, playful packs; nice for younger audiences or approachable learning products.
• Blush — lets you customize illustration packs from artists like Open Doodles and Humaaans; very flexible for branding.
• Open Doodles — hand-drawn, informal style; works well for welcoming, low-pressure educational brands.

Best picks by use case

• Most versatile: Storyset, unDraw
• Most brandable: Blush, unDraw
• Best for playful education: DrawKit, Open Doodles
• Best premium feel: Icons8 Ouch!, ManyPixels

If you want, I can also rank them for K-12, higher ed, or edtech SaaS specifically.

Good picks for education websites:

• Storyset — best for a polished, classroom-friendly look; it has a dedicated Education collection and lets you customize/animate illustrations. (storyset.com)
• unDraw — best for a clean, modern style and easy brand matching via color changes. (undraw.co)
• Open Doodles — best for a playful, hand-drawn vibe on student-facing pages. (designtoolmark.com)
• Humaaans — best when you want friendly character scenes and mix-and-match people illustrations. (humaaans.com)
• IRA Design — good for gradient-based, customizable hero illustrations. (iradesign.io)
• Open Peeps — useful for personas, onboarding, and simple education-product UI. (openpeeps.com)

If I had to narrow it to 3 for most education sites: Storyset, unDraw, and Open Doodles. (storyset.com)

If you want, I can also recommend the best one by style: preschool, K–12, higher-ed, or e-learning platform.

For developer docs, the best icon libraries are usually the ones that are:

• clean and consistent
• easy to import in React/Vue/etc.
• SVG-first
• broad enough for UI + tech symbols

Best picks

1. Lucide

• Great default for modern docs sites
• Clean, lightweight, open source
• Excellent for UI icons, settings, navigation, actions

2. Heroicons

• Very popular, polished, especially for Tailwind-based sites
• Great if your docs site has a modern SaaS feel

3. Phosphor Icons

• Huge set, multiple weights
• Nice if you want more personality and style options

4. Tabler Icons

• Very strong for developer documentation
• Simple, readable, and extensive
• Good balance of style and utility

5. Material Symbols

• Best if you want maximum coverage and familiarity
• Good for enterprise docs, though styling can feel more “Google app” than “dev tool”

Also worth considering

Simple Icons

• Best for brand logos: GitHub, Docker, Stripe, etc.
• Very useful in integration/docs sections

Font Awesome

• Massive library, very mature
• Good fallback, but often heavier and less modern than Lucide/Tabler

My recommendation

If you’re building a dev docs site today:

• Lucide for most UI icons
• Simple Icons for brand/integration logos
• Tabler Icons as a strong alternative if you want more variety

If you want, I can also suggest the best icon set by framework (Next.js, Docusaurus, VitePress, Astro, etc.).

For developer docs sites, I’d shortlist these:

• Lucide — best default if you want clean, consistent SVGs, easy theming, tree-shaking, and an open-source license. (lucide.dev)
• Heroicons — great if your docs are Tailwind/Tailwind UI–adjacent; it’s MIT-licensed and has first-party React/Vue packages. (github.com)
• Tabler Icons — excellent for docs that need lots of icons with a very polished line style; it’s open source and MIT-licensed. (tabler.io)
• Material Symbols — best if you want a huge set and flexible styling axes; Google says there are 2,500+ icons and they’re Apache 2.0 licensed. (developers.google.com)
• Font Awesome — best when you need maximum breadth and strong ecosystem support, but note the free/pro split and package/access model. (docs.fontawesome.com)

My practical pick:

• Lucide for most docs sites
• Heroicons if you’re on Tailwind
• Material Symbols if you need the biggest catalog

If you want, I can also give you a “best icon set by docs stack” recommendation (Docusaurus, Nextra, Mintlify, VitePress, etc.).

Here are some of the best illustration libraries for email design:

• Storyset by Freepik — Great for modern, customizable illustrations. You can change colors and download in SVG/PNG, which is handy for branded emails.
• unDraw — Clean, minimal, and free. Excellent for SaaS/product emails where you want a simple, friendly look.
• Ouch! by Icons8 — Very polished and varied styles. Good if you want more “premium” marketing visuals.
• ManyPixels Illustrations — Free, consistent, and easy to use in newsletters and lifecycle emails.
• Humaaans by Pablo Stanley — Nice for adding people and team scenes; works well for startup/brand emails.
• Blush — Not a single library, but a strong illustration platform with multiple artists/styles. Best when you need a distinct brand look.
• Open Doodles — Playful hand-drawn style, useful for informal or community-focused emails.

Best picks by use case:

• Best overall: Storyset
• Best free: unDraw
• Best premium-looking: Ouch! by Icons8
• Best for unique branded style: Blush

If you want, I can also give you the best illustration libraries specifically for responsive HTML email (where file size, SVG support, and dark mode matter).

For email design, my top picks are:

• unDraw — clean, open-source SVG illustrations you can recolor to match a brand. (undraw.co)
• Storyset — highly customizable, with multiple styles and built-in animation options. (storyset.com)
• Blush — strong for mix-and-match, branded illustration systems; exports PNG/SVG. (blush.design)
• Open Peeps / Open Doodles — great if you want friendly, hand-drawn character art with CC0 licensing. (openpeeps.com)
• ManyPixels — useful when you want custom-made or brand-matched illustrations with SVG/PNG deliverables. (manypixels.co)

Best overall for most email teams: unDraw or Blush. Best for playful human characters: Open Peeps. Best for more polished, custom-branded campaigns: Storyset or ManyPixels. (undraw.co)

If you want, I can also give you the best free options only or the best libraries specifically for newsletters / SaaS onboarding emails.

For freelance designers, the best choices are usually the ones with clean style, easy licensing, and good Figma/Sketch support.

Best icon libraries

• Phosphor Icons — best all-around for modern UI work
• Lucide — great if you want clean, minimal, open-source icons
• Heroicons — excellent for product/UI design, especially web apps
• Remix Icon — very versatile, lots of options
• Font Awesome — best if you need huge coverage and client familiarity
• Nucleo — best paid option for a polished, organized workflow

Best illustration libraries

• Storyset by Freepik — one of the best for editable, client-friendly illustrations
• unDraw — great free option, consistent and easy to use
• Blush — best for mixing illustration styles and customizing quickly
• ManyPixels Illustrations — clean and startup-friendly
• Ouch! by Icons8 — strong premium-quality illustrations
• DrawKit — good if you want trendy, presentation-friendly art

Best picks by use case

• Best overall icons: Phosphor Icons
• Best overall illustrations: Storyset
• Best free combo: Lucide + unDraw
• Best premium combo: Nucleo + Ouch! or Blush

If you want, I can also give you a top 10 list by price, or a best libraries for Figma-only workflows.

For freelance designers, I’d shortlist these:

Best icon libraries

• Lucide — clean, consistent, customizable stroke icons; great default choice for modern UI work. (v0.lucide.dev)
• Heroicons — polished SVG icons made for marketing sites and Tailwind-style interfaces. (heroicons.com)
• Iconify — best if you want one place to access a huge multi-set ecosystem and Figma/Penpot/Sketch import support. (iconify.design)
• Phosphor — strong all-around set with multiple weights/styles; good for brand-flexible systems. (pack.phosphoricons.com)

Best illustration libraries

• unDraw — free, open-source SVG illustrations with easy color customization; excellent for landing pages and SaaS work. (undraw.co)
• Storyset — customizable, animated illustrations with multiple styles; great when clients want more personality. (storyset.com)
• Icons8 Ouch — very broad illustration library with PNG/SVG/GIF and animation options, plus editing tools; best when you need variety fast. (icons8.com)

My practical pick

• Budget/free: Lucide + unDraw + Storyset. (v0.lucide.dev)
• Most flexible: Iconify + Storyset + Icons8 Ouch. (iconify.design)

If you want, I can also give you:

1. the best free-only stack, or
2. the best premium stack for client work.

Here are some of the best icon libraries for open source projects:

1. Font Awesome Free
   • Huge ecosystem, very recognizable, solid coverage.
   • Best for: general-purpose apps, dashboards, docs.
   • License: free set is open source-friendly.
2. Lucide
   • Clean, modern, Feather-style icons, very developer-friendly.
   • Best for: SaaS, modern UI, design systems.
   • License: MIT.
3. Tabler Icons
   • Excellent consistency, lots of outlined icons, easy to use.
   • Best for: admin panels, web apps, open source UIs.
   • License: MIT.
4. Heroicons
   • Polished set from the Tailwind team; great quality.
   • Best for: Tailwind-based projects, marketing sites, dashboards.
   • License: MIT.
5. Material Symbols / Material Icons
   • Very broad, familiar, especially for app-like interfaces.
   • Best for: Android-style UIs, enterprise apps.
   • License: Apache 2.0.
6. Bootstrap Icons
   • Practical, readable, and well-suited for web apps.
   • Best for: Bootstrap projects, simple interfaces.
   • License: MIT.
7. Phosphor Icons
   • Stylish, flexible weights, good for modern product UI.
   • Best for: polished consumer apps.
   • License: MIT.

Quick picks:

• Best overall: Lucide
• Best huge library: Font Awesome Free
• Best for clean open source UI: Tabler Icons
• Best for Tailwind: Heroicons

If you want, I can also give you the best icon library by framework (React, Vue, Svelte, Next.js, etc.).

For most open-source projects, my top picks are:

• Lucide — best overall if you want a clean, modern, consistent line icon set with lots of customization. It’s open source under ISC. (github.com)
• Heroicons — great for app/UI work, especially if you like Tailwind-style design. It’s MIT licensed. (github.com)
• Tabler Icons — excellent all-around choice if you want a huge set and a polished look. It has 6000+ SVG icons and is MIT licensed. (github.com)
• Feather — very minimal and lightweight; good for simple interfaces. It’s MIT licensed. (github.com)
• Phosphor Icons — strong if you want style flexibility and multiple weights; it’s MIT licensed. (github.com)
• Material Symbols / Material Icons — best if you want Google’s Material ecosystem; Google says Material Symbols is the current set, and it’s under Apache 2.0. (github.com)

Quick recommendation:

• Best default: Lucide
• Best for Tailwind apps: Heroicons
• Best for lots of icons: Tabler
• Best minimal set: Feather
• Best for multiple styles/weights: Phosphor

If you want, I can also narrow this down by stack (React, Vue, Svelte, Rails, Flutter, etc.).

Best alternatives to a premium icon library:

• Lucide — clean, modern outline icons; great default replacement for Lucide/Feather-style sets.
• Heroicons — excellent for web apps, especially Tailwind projects.
• Tabler Icons — very polished, lots of icons, free and open source.
• Phosphor Icons — flexible weights/styles; good if you want more personality.
• Remix Icon — broad set with solid consistency.
• Material Symbols — huge ecosystem, best if you want Google’s design language.
• Bootstrap Icons — simple, practical, and easy to use.
• Font Awesome Free — still one of the best free alternatives if you want coverage.

If you want a paid but cheaper alternative to premium libraries:

• Iconscout
• Streamline
• Icons8

My quick pick:

• Best overall: Lucide
• Best for UI apps: Heroicons
• Best all-around free pack: Tabler Icons
• Best if you need lots of variety: Material Symbols

If you tell me your stack (React, Figma, Flutter, etc.) and style (outline, filled, duotone), I can narrow it to the best 2–3.

If you want premium-library quality without paying, these are the best picks:

• Iconify — best overall if you want choice: one framework with 200k+ open-source icons from many sets, so you’re not locked into one style. (iconify.design)
• Lucide — best for clean modern UI; it’s lightweight, customizable, and tree-shakable. (lucide.dev)
• Tabler Icons — best “premium-looking free” option; it’s a free, open-source set with 6,000+ icons and a consistent 24px / 2px stroke style. (new.tabler.io)
• Heroicons — best if you use Tailwind or want a small, polished set; it’s MIT-licensed and tailored for marketing/UI use. (heroicons.com)
• Remix Icon — best all-rounder for system icons; it offers 3,200+ open-source icons in outline and filled styles. (github.com)
• Iconoir — strong alternative for product UI; it’s an open-source library with 1600+ icons and broad framework support. (github.com)

Quick pick:

• Need the biggest catalog → Iconify. (iconify.design)
• Need the best clean modern set → Lucide or Tabler. (lucide.dev)
• Need Tailwind-friendly → Heroicons. (heroicons.com)

If you want, I can also rank these by style, license, or best for React/Next.js.

Best alternatives to a subscription illustration library:

• One-time purchase packs
  • IconScout — lots of illustration packs you can buy individually.
  • Creative Market — huge marketplace for one-off illustration bundles.
  • Envato Elements has a subscription, but Envato Market is the pay-per-item alternative.
• Free / open-source libraries
  • unDraw — clean, editable illustrations.
  • Storyset by Freepik — free tier with customizable styles.
  • Open Doodles — hand-drawn, playful style.
  • Blush — mix-and-match illustration sets; some free, some paid.
• Public domain / government sources
  • Library of Congress
  • Smithsonian Open Access
  • The Met Open Access

Great if you want historic or public-domain artwork.

• Hire a designer instead
  • Fiverr
  • Upwork
  • 99designs

Better if you need a consistent custom style.

• AI illustration tools
  • Midjourney
  • Adobe Firefly
  • DALL·E

Useful for quick custom visuals, but check licensing carefully.

If you want, I can also give you the best option by use case (web app, presentations, blog graphics, or brand system).

Best alternatives depend on whether you want free, one-time purchase, or custom assets:

• unDraw — best for simple startup/SaaS illustrations; free for commercial use, no attribution required. (undraw.co)
• Storyset — best if you want customizable/animated illustration packs; free with attribution, or no attribution via a premium route. (storyset.com)
• Blush — best for editor-style customization and mixing artist-made packs; free use is available, with more SVG access in Pro. (blush.design)
• Icons8 Illustrations — best “library-like” replacement if you want a big catalog plus SVG/PNG/animation options; pricing is subscription-based, but it also offers trials and custom illustration services. (icons8.com)
• Open Doodles / other open-source packs — best for zero-cost, lightweight projects; these are usually good for landing pages and prototypes. (manypixels.co)
• Custom commission — best if you need a unique brand style and don’t want library-looking art. Some vendors offer custom illustration services directly. (icons8.com)

If you want, I can narrow this down to the best free options, best paid options, or best for Figma/web apps.

Some free icon libraries are genuinely as good as paid ones, especially if you want broad coverage, clean style, and easy web/app use.

Best free ones:

• Phosphor Icons — excellent overall; one of the nicest modern sets.
• Tabler Icons — huge library, very consistent, great for dashboards/SaaS.
• Lucide — clean, simple, and very popular for UI work.
• Heroicons — excellent if you want a polished, minimal style.
• Material Symbols — massive coverage; not as “premium-looking,” but very powerful.
• Remix Icon — broad set, good for product UI and apps.
• Bootstrap Icons — solid and practical, especially for web projects.

Often better than paid if you need:

• UI consistency: Lucide, Tabler Icons
• Modern polished look: Phosphor Icons, Heroicons
• Huge breadth: Material Symbols, Remix Icon

Paid sets can still win for:

• niche enterprise categories
• more unique brand/style direction
• custom illustration-like icon packs

If you want the safest “better than paid” picks, I’d start with Phosphor Icons, Tabler Icons, and Lucide.

A few free icon libraries that often beat paid packs in day-to-day product work:

• Heroicons — super clean, consistent, and made by Tailwind Labs; MIT-licensed. (github.com)
• Lucide — very customizable, community-driven, and built for modern UI work. (v0.lucide.dev)
• Tabler Icons — huge set, strong consistency, and free/open source with SVGs. (tabler.io)
• Iconoir — polished, flexible, and available across React, React Native, Flutter, Figma, and more. (iconoir.com)
• Phosphor Icons — a versatile icon family with an open-source MIT license. (github.com)

My short take: if you want the best overall default, pick Lucide or Heroicons; if you want lots of icons, pick Tabler; if you want multi-platform tooling, pick Iconoir. (github.com)

If you want, I can also rank them by design quality, size, or React support.

Here are the best alternatives to a large vector asset marketplace, depending on what you need:

• Adobe Stock — best for premium, polished commercial vectors; strong integration with Illustrator/Figma workflows.
• Shutterstock — huge library and reliable licensing; good if you want broad variety.
• Envato Elements — best value if you need vectors plus templates, icons, fonts, and stock assets in one subscription.
• Freepik — great for lots of ready-made vectors, icons, and editable design resources; strong for fast production work.
• Vecteezy — solid mix of free and paid vectors; easy to browse and often cheaper than big stock sites.
• Creative Market — best for more unique, designer-made vector packs and niche styles.
• iStock by Getty Images — strong for business-safe, polished assets; usually more expensive.
• Canva Elements — convenient if you already design in Canva; not as deep, but very fast for everyday use.
• The Noun Project — best for icons and simple vector symbols.
• Rawpixel — good for more artistic and editorial-style vector resources.

If you want the best overall replacements, I’d start with:

1. Adobe Stock
2. Envato Elements
3. Freepik
4. Shutterstock

If you want, I can also narrow this down by:

• cheapest
• best for commercial use
• best free options
• best for SVG icons
• best for unlimited subscription

If you mean a large vector stock marketplace, the best alternatives are:

• Adobe Stock — best all-around if you want a big, polished library and broad stock ecosystem. It has dedicated vector search and royalty-free vectors. (stock.adobe.com)
• Vecteezy — best if you want a mix of free + premium vectors; free downloads require attribution, and Pro adds more premium content. (vecteezy.com)
• Envato Elements — best for unlimited downloads on subscription, with vectors plus many other creative asset types. (elements.envato.com)
• VectorStock — best if you want a vector-only marketplace with a very large catalog and simple pay-per-image / credits / subscription options. (vectorstock.com)
• Noun Project — best for icons/SVGs and app/plugin workflows, especially for UI and presentation graphics. (thenounproject.com)
• Creative Market — best for one-off packs and designer-made illustration bundles rather than a pure stock library. (creativemarket.com)
• Freepik — best if you want vectors plus a broader all-in-one library; it says it offers icons, videos, audio, images, vectors, and more. (freepik.com)

Quick pick:

• Best overall: Adobe Stock
• Best free/budget: Vecteezy
• Best unlimited subscription: Envato Elements
• Best icons: Noun Project
• Best vector-only: VectorStock

If you want, I can narrow this down to the best 3 for your use case (logos, web UI, marketing, print, or commercial licensing).

Here are the best icon and illustration libraries for commercial use, with the safest licenses and strongest overall quality:

Best icon libraries

1. Font Awesome
   • Best for: widest coverage, easy adoption, polished UI
   • Commercial use: yes
   • Note: Free tier is solid; Pro adds a lot more icons/styling
2. Material Symbols (Google)
   • Best for: clean, modern, app/UI-heavy products
   • Commercial use: yes
   • Note: very good if you want the Google Material look
3. Heroicons
   • Best for: SaaS, dashboards, modern web apps
   • Commercial use: yes
   • Note: excellent quality, especially for React/Tailwind projects
4. Lucide
   • Best for: simple, consistent line icons
   • Commercial use: yes
   • Note: great replacement for Feather; very developer-friendly
5. Phosphor Icons
   • Best for: versatile styles (thin to bold)
   • Commercial use: yes
   • Note: one of the most flexible icon sets visually

Best illustration libraries

1. unDraw
   • Best for: clean startup/SaaS illustrations
   • Commercial use: yes
   • Note: free and widely used; easy to recolor
2. Storyset by Freepik
   • Best for: customizable, presentation-friendly illustrations
   • Commercial use: yes, with attribution rules depending on plan/use
   • Note: very useful if you want animated/customizable scenes
3. Open Doodles
   • Best for: hand-drawn, playful style
   • Commercial use: yes
   • Note: good for friendly brands and onboarding screens
4. Humaaans
   • Best for: people-focused scenes
   • Commercial use: yes
   • Note: strong for marketing pages and avatars
5. Icons8 Ouch!
   • Best for: high-quality commercial illustrations
   • Commercial use: yes, but check plan/license
   • Note: very polished; often worth paying for

Best overall picks

• Icons: Heroicons or Lucide for most web apps
• Illustrations: unDraw for free + commercial-safe use
• Best premium option: Font Awesome Pro and Icons8 Ouch!

Quick license advice

For commercial projects, prefer libraries with:

• MIT / Apache / CC0-style licenses
• Clear permission for commercial use
• No hidden attribution requirements unless you’re okay with them

If you want, I can also give you a “best free only” list or a React/Next.js-friendly shortlist.

If you want the best commercial-use picks, I’d shortlist these:

Icons

• Lucide — best overall for most apps: large set, clean style, tree-shakable, ISC license. (v0.lucide.dev)
• Phosphor Icons — best if you want multiple styles (light/regular/bold, etc.) and lots of flexibility; packages are MIT licensed. (github.com)
• Material Symbols — best if you want a huge, familiar system and Google/Android alignment; Apache 2.0. (developers.google.com)
• Feather — best minimal/open option if you want very simple icons; MIT licensed. (github.com)

Illustrations

• unDraw — best all-around for commercial use: free, no attribution, customizable color, and explicitly allowed for commercial projects. (undraw.co)
• Open Doodles — best if you want playful hand-drawn style; CC0, so commercial use is unrestricted and no credit is needed. (opendoodles.com)

My quick recommendation

• SaaS/product UI: Lucide + unDraw
• Brand/design-system heavy: Phosphor + Open Doodles
• Google/Android-style UI: Material Symbols

If you want, I can also give you a “best paid vs best free” shortlist or compare Iconoir, Tabler, Remix, Heroicons too.

Start by matching style, not just content:

1. Identify your system’s icon rules
   • stroke vs filled
   • corner radius
   • optical weight
   • 16/20/24 px grid
   • single-color vs duotone
   • rounded vs sharp geometry
2. Compare libraries against those rules

Good matches by style:

• Lucide — clean, consistent, thin stroke, great for modern SaaS
• Heroicons — polished, simple, best for Tailwind-style UIs
• Phosphor Icons — very flexible, multiple weights, good for custom systems
• Tabler Icons — crisp stroke icons, extensive set
• Material Symbols — best if your product already feels Google/Material
• Remix Icon — broad set, good mix of outline and filled
• Font Awesome — large ecosystem, but heavier/less system-specific

1. Test them in your actual UI

Drop 10–20 common icons into your product:

• navigation
• actions
• status
• settings
• alerts

See which one feels native at your base font size and spacing.

1. Check technical fit
   • React/Vue/SVG support
   • tree-shaking
   • licensing
   • custom stroke width / fill options
   • accessibility

Quick recommendation:

• If your design system is minimal and modern → Lucide
• If it’s rounded and friendly → Heroicons
• If you need multiple visual styles → Phosphor
• If it follows Material design → Material Symbols

If you want, I can help you choose between 2–3 libraries if you share a screenshot or describe your design system.

Look for an icon library the same way you’d evaluate any design-system match:

• Style match: outline vs solid, rounded vs sharp, filled corners, stroke weight
• Grid system: 16px, 20px, 24px, etc.
• Stroke rules: consistent line width, caps, joins
• Coverage: does it include the icons you actually need?
• Extensibility: can you edit or add custom icons?
• Format: SVG is usually best for design systems

Good places to check:

• Figma Community for icon sets
• Iconify if you want many libraries in one place
• Heroicons for clean, modern UI
• Lucide for lightweight, consistent outline icons
• Material Symbols if your system is close to Google’s style
• Phosphor Icons for multiple weights/styles

Best workflow:

1. Pick 5–10 common icons from your system.
2. Compare them against candidate libraries side by side.
3. Check whether spacing, stroke, and optical balance feel native.
4. Test them in your real UI at actual sizes.
5. If close but not perfect, choose a library with editable SVGs.

If you want, I can also help you make a shortlist based on your design system style (e.g. “rounded outline,” “dense enterprise,” “playful,” etc.).

If you need more flexibility than a rigid library, the best alternatives are usually:

• Headless UI / Radix UI — unstyled components with full control over design
• shadcn/ui — highly customizable, built on top of Radix + Tailwind
• Tailwind CSS — for complete styling control
• Mantine — more customizable than many traditional UI libraries
• Chakra UI — easy to theme and override
• Material UI (MUI) — strong ecosystem, decent theming, but more opinionated

Best pick for maximum customization:

• Radix UI + Tailwind CSS or shadcn/ui

If you tell me the library you’re using now and what you’re building, I can suggest the closest better alternative.

If a library is too restrictive, the best alternatives are usually:

• A more flexible library — same job, but with better hooks/configuration.
• A framework instead of a library — if you need more control over structure and flow.
• A lightweight utility package — smaller pieces you can compose yourself.
• Build a custom solution — best when your requirements are unusual or strict.
• Use an API/service — if you mainly need functionality, not embedded code.

Rule of thumb:

• Need quick setup? Choose a better library.
• Need control over architecture? Choose a framework or custom code.
• Need a specific capability only? Use an API/service.

If you want, I can suggest alternatives for a specific kind of library, like:

• UI/component libraries
• charting libraries
• authentication libraries
• PDF/image libraries
• Python/JavaScript libraries

For modern flat style, the best illustration libraries are usually:

• Blush — great if you want current, polished flat illustrations; lots of styles and easy customization.
• Icons8 Ouch! — strong modern flat sets, very UI-friendly, good consistency.
• Storyset by Freepik — flexible, trendy, and easy to animate/customize.
• ManyPixels Illustrations — clean, minimalist flat illustrations that fit SaaS/product sites well.
• Humaaans — good for flat human characters, especially in friendly startup/UI work.
• unDraw — simple, open-source, lightweight flat illustrations for web apps.

If you want the most modern look, I’d start with:

1. Blush
2. Storyset
3. Icons8 Ouch!

If you want free and easy, use:

• unDraw
• ManyPixels

If you want, I can also recommend the best library for SaaS, app onboarding, marketing pages, or dashboards.

For modern flat styles, my top picks are:

1. unDraw — best for clean, minimal, modern SaaS/UI visuals; easy brand-color swapping and SVG output. (undraw.co)
2. Storyset — best if you want polished flat illustrations with lots of customization and optional animation. (storyset.com)
3. DrawKit — good for sleek, geometric SaaS-style illustrations and quick SVG/PNG exports. (drawkit.dev)
4. Icons8 illustrations — strongest if you want a big, consistent library with PNG/SVG/GIF options. (icons8.com)
5. Humaaans — great for flat character scenes and mix-and-match people illustrations. (humaaans.com)

If you want the most “modern flat” look, I’d usually choose unDraw or Storyset first. If you want, I can also rank them by free, best for startups, or best for Figma.

If you’re frustrated by weak icon search filters, these are strong alternatives:

• Noun Project — huge library, solid keyword search, easy to find style variants.
• Flaticon — broad collection, better filtering by style, pack, and format.
• Iconify — best if you want one search across many icon sets; very developer-friendly.
• Font Awesome — excellent search, consistent style, great for UI/product icons.
• Icons8 — strong search and good category filtering; also offers multiple visual styles.
• Streamline Icons — very polished, with powerful search and clear style organization.

If you want the best overall:

• For designers: Icons8 or Noun Project
• For developers: Iconify or Font Awesome
• For maximum variety: Flaticon

If you want, I can also narrow it down by free vs paid, SVG vs font, or UI vs illustration-style icons.

If your current icon library has weak search filters, the best alternatives are usually:

• Iconify — best for the broadest catalog and stronger browsing filters. Its site supports advanced filters for icon sets, including license, grid, and palette, and you can limit search to currently visible icon sets. (iconify.design)
• Font Awesome — best if you want a polished search experience and lots of controls. Its official tools let you search icons, switch by family/style, and even search custom kit icons; the Subsetter also lets you search by name and filter by style. (docs.fontawesome.com)
• Material Symbols — best if you want a huge set plus styling axes. Google documents 2,500+ icons with adjustable fill, weight, grade, and optical size. (developers.google.com)
• Lucide — best for a clean, consistent open-source set with straightforward search. The site exposes search across 1,695 icons. (lucide.dev)
• Heroicons — best for a smaller, highly curated set with simple browsing; the current site offers search across 316 icons. (heroicons.com)

My quick pick:

• Want best search/filtering → Iconify
• Want best all-around library + tooling → Font Awesome
• Want clean open-source icons → Lucide or Heroicons

If you want, I can narrow this down by use case: Figma, React, Tailwind, or paid vs free.

If a library is painful to license for a team, the best replacements are usually permissive-license options (MIT / Apache 2.0) that are easy to use in commercial projects.

Good team-friendly alternatives:

• Charts: Apache ECharts, Chart.js
• Dates/time: date-fns, Luxon
• HTTP/client: Axios, undici
• Logging: Pino, Winston
• PDF generation: pdf-lib, pdfmake
• UI components: Radix UI, React Aria
• Rich text editor: Tiptap, ProseMirror
• ORM/database: Prisma, Drizzle
• Markdown: remark/unified

If you want the safest licensing choice for teams, I’d usually start with:

• Apache ECharts for visualization
• date-fns for dates
• Pino for logging
• Prisma or Drizzle for DB work
• Radix UI for headless UI

If you tell me the exact library you’re replacing, I can give you the closest 2–3 alternatives.

If you mean a library whose license is awkward for company use, the best alternatives are usually:

1. A permissively licensed substitute

Look for MIT, Apache 2.0, or BSD-3-Clause packages. These are generally easier for team/commercial use than copyleft licenses. (apache.org)

1. The language/framework standard library

Best when the feature is basic and you want to avoid license review entirely.

1. A commercial SDK with clear team terms

Good if you need support, indemnity, or a stable legal path.

1. A small internal wrapper/replacement

Useful when the library is only doing a narrow task.

If the current library is GPL/copyleft, be extra careful: copyleft licenses require sharing derivative work under the same terms, which is often what makes them “hard for teams.” (gnu.org)

If you want, tell me the library name + language, and I’ll give you the best specific replacements.

Use one single icon system across the site and enforce it.

What to do

1. Audit every icon
   • List all icons currently used.
   • Group by style: outline, filled, duotone, rounded, etc.
   • Remove duplicates and near-duplicates.
2. Pick one primary icon library

Good options:

• Phosphor Icons — very flexible, multiple weights
• Lucide — clean, consistent outline style
• Material Symbols — strong if you want Google-style UI
• Font Awesome Pro — broad coverage, many styles

1. Define icon rules
   • One stroke weight
   • One corner style: rounded or sharp
   • One default size set: e.g. 16, 20, 24 px
   • One color behavior: inherit text color by default
   • One usage rule: filled icons only for active/selected states
2. Replace mismatched icons
   • Swap custom or random icons for ones from the chosen set.
   • If you must keep custom icons, redraw them to match the library’s style.
3. Build an icon component
   • Create a reusable component in React/Vue/etc.
   • Standardize size, color, and alignment there.
   • Don’t let designers/devs drop raw SVGs everywhere.
4. Add a visual style guide
   • Show approved icons, sizes, and usage examples.
   • Include do/don’t examples.

Quick fix

If you want the fastest cleanup:

• Choose Lucide for clean outline icons, or Phosphor if you need more styles.
• Replace all inconsistent icons with that set.
• Make all icons use the same size and stroke.

If you want, I can help you choose the best icon library for your site’s style.

Use one icon system and enforce it.

Practical fix:

1. Pick a single icon set

E.g. Lucide, Heroicons, Material Symbols, Font Awesome, etc.

1. Define style rules
   • outline vs filled
   • stroke width
   • corner radius
   • grid size (usually 24px)
   • color behavior
   • when to use each variant
2. Centralize icons
   • wrap icons in a shared component
   • disallow one-off SVGs unless approved
   • convert custom icons to match the system
3. Normalize SVGs
   • same viewBox
   • same canvas size
   • consistent padding
   • consistent stroke width
   • remove accidental fills/mismatched weights
4. Create an icon checklist
   • same visual weight
   • same alignment baseline
   • same optical size
   • same interaction states
5. Audit and replace
   • find mismatched icons
   • group by style
   • replace outliers first
   • document exceptions
6. Use design tokens
   • size
   • stroke width
   • color
   • hover/active states

Best long-term approach: Build an icon library + usage guidelines so designers and developers always pull from the same source.

If you want, I can also give you:

• a step-by-step icon audit process
• a Figma style guide template
• or code examples for React/Vue/etc.

A good way is to turn your brand style into a visual filter, then search with it.

1) Define your style in 5 words

Examples:

• clean, modern, airy, minimal, premium
• playful, colorful, hand-drawn, friendly, bold

2) Build a mini mood board

Use:

• Pinterest for reference collection
• Milanote or Canva for organizing
• Adobe Express if you already use Adobe tools

3) Search with style-specific keywords

Instead of “illustration,” search:

• “editorial line illustration”
• “minimal flat illustration”
• “hand-drawn brand illustration”
• “monoline pastel illustration”
• “risograph texture illustration”

4) Look on the right platforms

Good places to find matching illustration styles:

• Adobe Stock
• Shutterstock
• Envato Elements
• Icons8 Ouch!
• Storyset by Freepik
• DrawKit

5) Match to your brand assets

Compare illustrations against:

• your logo
• brand colors
• typography
• photography style
• tone of voice

If the illustration feels good alone but clashes with these, it’s not a match.

6) Save examples and make rules

Create a simple style guide:

• line weight: thin / medium / bold
• colors: muted / bright / monochrome
• shapes: geometric / organic
• detail level: simple / detailed
• texture: none / grainy / paper-cut

7) If you need custom illustrations

Hire a designer or use AI tools with a strict prompt. Helpful tools:

• Midjourney
• Adobe Firefly
• Canva Magic Media

If you want, I can help you define your brand style and give you exact search terms or illustration sources that fit it.

Start with a style brief:

1. List 5–10 brand adjectives

Example: friendly, modern, playful, premium, minimal, hand-drawn.

1. Define visual traits
   • line weight
   • color palette
   • level of detail
   • character style
   • shapes/forms
   • texture vs flat
   • 2D vs isometric vs collage
2. Build a reference board

Save illustrations your team likes and tag what’s consistent.

1. Search by style terms, not just subject

Try searches like:

• “flat vector editorial illustration”
• “minimal line art brand illustration”
• “playful hand-drawn tech illustration”
• “soft gradient SaaS illustration”

1. Use consistent sources

Look on places like:

• Dribbble
• Behance
• Adobe Stock
• Shutterstock
• Freepik
• Noun Project / Iconscout for simplified systems

1. Create a simple do/don’t guide

This makes it easier to judge whether an illustration fits.

1. If possible, commission custom work

Best option if your brand needs a unique, consistent look.

If you want, I can help you make a brand illustration style guide or suggest search keywords based on your brand.

The easiest way is to use a prebuilt icon library and drop the icons into your design.

Good options:

• Font Awesome — huge library, easy to search and use
• Material Symbols (Google) — clean, consistent, great for UI
• Heroicons — simple, modern, especially good for web apps
• Feather Icons — lightweight and minimal
• Noto / Remix Icon — broad coverage

If you’re designing in:

• Figma: use a plugin like Iconify or import Heroicons
• Web/UI code: use Font Awesome or React Icons
• Mobile app design: use Material Symbols or your platform’s native icon set

Best practice: pick one icon set and stick to it for consistency.

The easiest way is usually to use an icon library instead of drawing icons yourself.

Good options:

• Font Awesome — very common, easy to add
• Material Icons — great for clean app/UI designs
• Heroicons — simple, modern, popular for web UI
• Lucide — lightweight, crisp line icons

Typical workflow:

1. Pick a style that matches your UI.
2. Copy the icon component/SVG.
3. Paste it into your design or code.
4. Reuse it consistently for size, stroke, and color.

If you’re designing in Figma, you can also:

• install an icon plugin,
• drag icons in directly,
• or paste SVGs.

If you want, I can recommend the best icon set for web, mobile, or Figma.

Good sources for royalty-free marketing illustrations:

• Adobe Stock — strong for professional vector illustrations; easy licensing if you already use Adobe apps.
• Shutterstock — huge library, good for campaign-scale needs.
• iStock by Getty Images — solid for business-friendly illustration styles.
• Envato Elements — great if you need lots of assets for a flat monthly fee.
• Freepik — lots of illustrations; check the exact license and attribution rules.
• Icons8 Ouch! — clean modern illustration packs, easy to style.
• unDraw — free, customizable SVG illustrations for web and marketing.
• Storyset by Freepik — editable illustration scenes with multiple styles.
• Canva Pro — convenient if you want illustrations built into your design workflow.

Quick tips:

• Look for “commercial use” and “no attribution required” if you want the simplest licensing.
• Prefer vector/SVG/AI files for easy editing and resizing.
• Save the license page or invoice for each asset.
• Avoid “free” sites without clear terms.

If you want, I can also give you a best option by budget (free, low-cost, or premium).

For marketing, source royalty-free illustrations from reputable stock libraries or properly licensed open-content searches. Good starting points: Adobe Stock and iStock for paid, commercially licensed illustration libraries, and Creative Commons Search for free/openly licensed options. (stock.adobe.com)

Quick workflow:

1. Search for illustrations.
2. Check the license, not just “royalty-free.” Royalty-free means you pay once (or sometimes nothing) and can reuse within the license terms; it does not mean “no restrictions.” (istockphoto.com)
3. Confirm commercial use is allowed. Creative Commons licenses vary: CC BY allows commercial use with attribution, while NC licenses prohibit commercial use. (creativecommons.org)
4. Verify whether you need an extended license for large print runs, resale, or templates. (istockphoto.com)
5. Save the license page and download receipt for your records.

Best places to look:

• Adobe Stock — broad illustration library, standard license covers most marketing uses. (stock.adobe.com)
• iStock — royalty-free illustrations/vectors, with clear standard and extended licensing. (istockphoto.com)
• Creative Commons Search / Openverse-style sources — good for free assets, but you must check the exact CC terms and attribution rules. (search.creativecommons.org)

If you want, I can also give you a short list of the best sites by budget (free, cheap, or premium).

To keep icons consistent in a design system, choose them with the same rules across the board:

• Same icon family/style: pick one set and stick to it.
  • Good options: Material Symbols, Font Awesome, Phosphor Icons, Heroicons, Feather
• Same stroke weight: don’t mix thin outline icons with thick outline icons.
• Same corner style: rounded vs sharp.
• Same grid/size: ideally designed on the same canvas, like 24×24.
• Same optical weight: icons should feel equally bold, not one “heavier” than the rest.
• Same fill style: use either all outline, all solid, or a clearly defined mix with rules.

Practical way to choose

1. Pick one primary icon set

Example: Material Symbols Outlined for product UIs.

1. Define usage rules
   • Size: 16, 20, or 24 px
   • Stroke: 1.5 px or 2 px
   • Fill: outline only, unless filled is a specific state
2. Test in real UI

Put 10–15 common icons together. If any look too sharp, thin, or heavy, swap the set.

1. Document exceptions

If you need brand or product-specific icons, make them match the same grid and stroke.

Quick recommendation

If you want the easiest path to consistency:

• Material Symbols if you want a broad, polished system
• Heroicons if you want clean, modern outline icons
• Phosphor Icons if you want a flexible, very consistent style

If you want, I can also give you a simple icon selection checklist for your design system.

Use a small set of rules and stick to them:

• Same style family: all outline, all filled, or all duotone.
• Same stroke weight: e.g. 1.5px or 2px everywhere.
• Same corner treatment: rounded or sharp, but not mixed.
• Same grid: design on one base size, like 24×24.
• Same visual weight: icons should feel equally bold/light.
• Same optical alignment: center them visually, not just mathematically.
• Same metaphor set: don’t mix literal and abstract styles.

Practical checklist:

1. Pick one icon pack or design language.
2. Define rules for size, stroke, padding, and corner radius.
3. Test icons side by side in common UI spots.
4. Replace any outliers that look heavier, busier, or more detailed.
5. Keep a single source of truth in your design system.

Good example: if your system uses 24px outline icons with 2px rounded strokes, every icon should follow that pattern.

If you want, I can also give you a design-system icon style guide template.

To avoid the “everyone’s using the same stock art” look:

• Buy from smaller, style-specific libraries: try The Noun Project, Humaaans, Blush, Ouch! by Icons8, or DrawKit instead of only big stock sites.
• Customize aggressively: change colors, crops, line weights, backgrounds, and combine multiple assets into one unique composition.
• Use editable packs: Figma Community resources, Canva templates, or Adobe Illustrator vector packs make it easier to remix.
• Commission a custom set: a freelance illustrator on Upwork, Fiverr Pro, or Behance Services can create a distinctive style for your brand.
• Create your own with AI + editing: generate concepts in Adobe Firefly, then refine them in Photoshop or Illustrator so they don’t feel generic.
• Build a mini style system: pick 1–2 custom colors, a consistent texture, and a recurring motif so even stock-based visuals feel branded.

If you want, I can also suggest specific illustration libraries by style (flat, 3D, hand-drawn, isometric, etc.).

To avoid stock-art déjà vu:

• Use less-popular libraries: smaller niche stock sites, not just the big ones.
• Search deeply: use unusual keywords instead of generic ones like “teamwork” or “success.”
• Mix assets: combine illustrations from different packs/styles so it’s not obviously one template.
• Customize heavily: recolor, crop, add textures, change backgrounds, add UI/mock elements.
• Hire custom art: even a few bespoke hero illustrations can set the tone.
• Use AI carefully: generate reference concepts, then commission or refine them so they feel original.
• Build a visual system: unique characters, shapes, icons, and color palette make even stock elements feel branded.
• Avoid the first page: the most-used assets are often the most obvious ones.
• Create from real photos: your own photography or screenshots can replace generic stock entirely.

If you want, I can suggest specific stock sites with less-overused libraries or help you build a more distinctive illustration style for your brand.

Fastest way: don’t draw every icon from scratch.

Quick workflow

1. Pick one icon style
   • Outline or filled
   • Rounded or sharp
   • 1 stroke width only
2. Start from a solid icon library

Good options:

• Phosphor Icons
• Lucide
• Heroicons
• Material Symbols
• Font Awesome

1. Customize the set

Use a design tool like:

• Figma
• Sketch
• Affinity Designer

1. Export consistently
   • SVG for app UI
   • PNG only if needed for legacy sizes
2. Build a small system

Define:

• grid size (usually 24px)
• stroke width
• corner radius
• fill/outline rules

Best fast combo

• Figma + Lucide if you want clean, modern UI icons
• Figma + Material Symbols if you want lots of common app icons
• Figma + Phosphor Icons if you want flexible, polished style

If you need custom icons fast

Use:

• Nucleo
• Iconscout
• The Noun Project

These let you remix or license icons quickly.

If you want, I can also give you a 3-hour icon-set workflow or recommend the best library for iOS, Android, or web.

Fastest path:

1. Pick one style
   • Outline, filled, duotone, or rounded.
   • Keep one stroke width and one corner radius.
2. Use an icon system, not one-off icons
   • Start from Material Symbols, Font Awesome, Heroicons, or Phosphor Icons.
   • This saves tons of time and keeps the set consistent.
3. Create a small core first
   • Build only the 20–40 icons your app actually needs.
   • Prioritize: home, search, settings, add, edit, delete, back, close, share, more.
4. Design in a grid
   • Use a 24×24 or 20×20 grid.
   • Align strokes and shapes to pixels for crisp export.
5. Use Figma + components
   • Make one master icon style.
   • Duplicate and swap shapes.
   • Export all icons as SVG.
6. Automate repetitive work
   • Use AI/vector tools like Figma plugins, Iconify, or SVG-to-component workflows.
   • Batch-export and rename consistently.
7. Check at real size
   • Test at 16, 20, 24 px.
   • Simplify anything that turns muddy.
8. Keep a naming convention
   • ic_home, ic_search, ic_settings_outline, etc.

If you want, I can also give you a 1-hour icon set workflow or a Figma starter template plan.

Look for vector illustrations or high-res layered files.

What to search for

• SVG, EPS, AI, PDF = best for both web and print
• Keywords: “vector illustration,” “editable,” “scalable,” “print-ready”
• Avoid images that are only JPG/PNG if you need print flexibility

What to check

• Resolution: for raster files, aim for 300 DPI at final print size
• Color: web = RGB, print = CMYK (or files you can convert cleanly)
• License: make sure it includes both digital and print usage

Good places to find them

• Adobe Stock
• Shutterstock
• Envato Elements
• Freepik
• The Noun Project (great for icons/simple illustrations)

Best option If you want one file that works everywhere, choose editable vector artwork from Adobe Stock or Envato Elements.

If you want, I can also give you a quick checklist for choosing illustrations from any stock site.

Look for illustrations that are:

• Vector-based: SVG, AI, EPS, or PDF
• High-resolution if raster: ideally 300 DPI at final print size
• Clean and simple: bold shapes, limited tiny details
• Color-managed: works in both RGB and CMYK
• Scalable: still readable at small web sizes and large print sizes

Practical checklist:

1. Start with vector art whenever possible.
2. Test at multiple sizes: favicon-size, mobile, poster.
3. Check contrast in both screen and print conditions.
4. Avoid ultra-fine lines or very subtle gradients.
5. Export separate versions:
   • Web: SVG or optimized PNG/WebP
   • Print: PDF/EPS or high-res TIFF/PNG
6. Soft-proof for print if color accuracy matters.

If you’re buying art, search for:

• “vector illustration”
• “print-ready”
• “scalable artwork”
• “SVG and CMYK”

If you want, I can give you a designer’s checklist or recommend specific illustration marketplaces.

To make a presentation look more polished with icons and illustrations:

• Use one visual style throughout: pick either outline icons, filled icons, or flat illustrations—don’t mix styles.
• Keep colors limited: use 1–2 accent colors that match your theme.
• Use consistent sizing: make icons the same visual weight and scale.
• Add visuals only where they help: use icons to replace bullets, show categories, or emphasize key points.
• Leave enough whitespace: crowded slides look less polished.
• Use high-quality assets: avoid blurry or overly detailed graphics.

Good sources/tools:

• Microsoft PowerPoint Icons built in
• The Noun Project
• Flaticon
• unDraw for clean illustrations
• Storyset by Freepik
• Canva if you want easy drag-and-drop design

Quick tip: use icons to simplify text-heavy slides, and illustrations for section dividers, title slides, or concepts that are hard to show with photos.

If you want, I can also suggest a specific icon/illustration style for your presentation topic.

To make a presentation look more polished with icons and illustrations:

• Use one visual style: all outline, all filled, or all flat illustrations.
• Keep colors consistent: match icons to your slide palette; use 1–2 accent colors.
• Use icons sparingly: only where they improve clarity or break up text.
• Make sizes consistent: same stroke width, visual weight, and spacing.
• Align to a grid: clean alignment instantly makes slides feel more professional.
• Use illustrations as section headers or callouts: don’t overload every slide.
• Prefer simple over detailed: minimal shapes usually look more modern.
• Leave more whitespace: crowded slides feel less polished.
• Use high-quality sources: stick to one library for a cohesive look.
• Animate lightly: subtle fades or wipes, not distracting effects.

Good icon/illustration sources:

• Icons: Noun Project, Font Awesome, Material Symbols, Flaticon
• Illustrations: unDraw, Storyset, Icons8 Ouch, Freepik

If you want, I can also give you:

1. a clean slide design formula, or
2. recommended icon/illustration sets for a specific style like corporate, startup, or playful.

Use ready-made SVG libraries instead of custom design.

Best options

• Icons:
  • Lucide
  • Heroicons
  • Phosphor Icons
  • Font Awesome
• Illustrations:
  • unDraw
  • Storyset by Freepik
  • DrawKit
• UI assets / collections:
  • Figma Community
  • SVGRepo
  • Iconify

Fast workflow

1. Pick a style family early (outline, filled, rounded).
2. Download SVGs from one source only for consistency.
3. Edit colors/size in Figma, SVGOMG, or Illustrator.
4. Export as SVG and use inline or as components in your app.

If you want no-design at all

Use:

• Heroicons for clean app UI
• Lucide for modern SaaS interfaces
• unDraw for simple custom illustrations

Tip

Avoid mixing icon packs unless they match closely in stroke width and corner style.

If you want, I can give you a best SVG source for your stack (React, Vue, iOS, Flutter, etc.).

You can skip a designer by using SVG icon libraries + editable illustration packs and then tuning them to your brand.

Good starting points:

• Lucide — clean, lightweight SVG icons; customizable color, size, and stroke width. (lucide.dev)
• Tabler Icons — 6,000+ free/open-source icons; built on a 24×24 grid with 2px stroke; usable as SVG, sprite, React, Figma, etc. (tabler.io)
• Heroicons — polished SVG icons designed for UI, with outline/solid styles and CSS-friendly customization. (v1.heroicons.com)
• unDraw — open-source SVG illustrations; you can change the main color on download. (undraw.co)
• Open Doodles — free open-source illustrations if you want a more hand-drawn style. (opendoodles.com)

Workflow:

1. Pick one icon set and one illustration style so the UI feels consistent.
2. Download SVGs and edit colors/strokes to match your brand. Lucide, Tabler, Heroicons, and unDraw all support this kind of customization. (lucide.dev)
3. Optimize the SVGs before shipping. SVGO is the standard optimizer for removing redundant SVG data. (github.com)
4. Use them directly in your app or as inline SVG/components; Tabler documents image, inline, sprite, and React use cases. (new.tabler.io)

Best low-effort combo:

• UI icons: Lucide or Tabler
• Empty states / marketing art: unDraw
• Cleanup: SVGO (lucide.dev)

If you want, I can also give you a “no-designer SVG stack” for React, Figma, or Webflow.

It varies a lot, but here’s a rough breakdown:

• Free: Many libraries have free tiers
  • Font Awesome Free, Material Symbols, Heroicons, Tabler Icons
• Individual packs: usually $10–$50 one-time
  • Icons8 packs, Streamline individual icon sets
• Subscription libraries: usually $10–$30/month or $100–$300/year
  • Noun Project Pro (~$40–$60/year on some plans)
  • Icons8 subscription plans
  • Streamline plans often around this range depending on size
• Premium illustration libraries: often $15–$100+/month or bundled in design subscriptions
  • Blush, ManyPixels, Storyset (often free with attribution / paid for commercial use or no attribution)
  • DrawKit and Ouch! by Icons8 have paid options

If you want, I can compare the best cheap options for icons, illustrations, or both.

Icon and illustration libraries usually cost anywhere from free to about $15–$30 per user/month for individual subscriptions, with team plans often running higher. (iconscout.com)

Typical pricing examples:

• Noun Project: from $3.33/mo for unlimited downloads, or $4.99 for a single purchase. (thenounproject.com)
• IconScout: $14.99/user/month billed annually for individuals; $24.99/user/month for teams. (iconscout.com)
• Icons8 Illustrations: starts around $0.80 per illustration after 25 downloads/month, with higher-priced AI/unlimited plans. (icons8.com)

So in practice:

• Free: limited sets / attribution required
• Cheap single-use: about $5
• Subscription: about $3–$25/month
• Team / enterprise: often $50+/month depending on seats and usage. (iconscout.com)

If you want, I can also give you a best-value list of icon + illustration libraries for Figma, web apps, or marketing.

Yes — there are many free icon and illustration libraries.

Icons

• Font Awesome Free — huge set, very common
• Heroicons — clean, great for UI
• Lucide — modern outline icons
• Feather Icons — simple and lightweight
• Google Material Symbols — best if you want Material Design style
• Tabler Icons — polished and open source

Illustrations

• unDraw — free, customizable SVG illustrations
• Open Doodles — hand-drawn style
• ManyPixels Gallery — free illustrations
• IRA Design — customizable illustration packs
• Storyset by Freepik — free with attribution options
• Blush — mixes free and paid packs

Good to know

• Check the license: some are fully free, others require attribution.
• SVG format is best if you want easy color editing.

If you want, I can suggest the best free library for web apps, dashboards, or presentations.

Yes — there are plenty of free options.

Good icon libraries

• Tabler Icons — free, open-source SVG icons under MIT. (tabler.io)
• OpenMoji — open-source emoji/icon set, free under CC BY-SA 4.0. (openmoji.org)
• Free Icons — large icon collection, free for personal and commercial use, CC BY 4.0. (github.com)
• Unicons — free icon collection, open source, with SVG/3D/animated options. (github.com)

Good illustration libraries

• unDraw — free SVG illustrations, no attribution required. (undraw.co)

A quick note: “free” doesn’t always mean the same license, so check whether attribution is required and whether commercial use is allowed. (github.com)

If you want, I can also give you:

• the best 5 for React/Figma
• minimal line icons
• illustrations for startups/SaaS

The cheapest option is usually free icon libraries:

• Material Symbols (Google) — free, huge set, very clean
• Heroicons — free, great for UI work
• Lucide — free, modern outline icons
• Remix Icon — free, broad set
• Phosphor Icons — free, flexible styles

If you want a paid designer-friendly library, the cheapest popular one is often The Noun Project (starts low-cost, but licensing can add up).

Best cheap pick overall: Lucide or Heroicons Best for huge variety: Material Symbols Best paid option for designers: The Noun Project

If you want, I can also give you the cheapest icon library for Figma specifically.

If you mean lowest cost overall, The Noun Project is cheapest: it has a free option with attribution, and its paid Icon Pro plan is $3.33/month billed yearly. (thenounproject.com)

If you mean cheapest paid option without attribution, The Noun Project still looks cheapest among the big designer-focused libraries I checked. For comparison, IconScout starts at $14.99/month billed yearly and Icons8 starts at $15/month for icons. (iconscout.com)

So my pick: The Noun Project. If you want, I can also rank the best cheap icon libraries by quality/style.

Yes—many illustration libraries offer commercial licensing, but it depends on the specific library and asset.

Common options:

• Royalty-free commercial license: use in ads, websites, apps, packaging, etc. after purchase/subscription
• Extended/comprehensive license: needed for higher distribution, resale, or merchandise
• Editorial-only: not allowed for commercial use

Examples with commercial licensing:

• Adobe Stock
• Shutterstock
• iStock by Getty Images
• Envato Elements
• Storyset by Freepik (check each asset’s terms)
• Icons8 Ouch!
• Blush (some assets have commercial use; verify the plan/license)

Watch for restrictions like:

• resale of the illustration itself
• use in logos/trademarks
• print run limits
• attribution requirements
• AI training restrictions

If you want, I can also list the best illustration libraries for commercial use by budget.

Yes—many illustration libraries offer commercial licensing.

Common models:

• Royalty-free: pay once, use in commercial projects under stated limits.
• Rights-managed: license is tied to specific usage, audience, time, and region.
• Subscription / credits: access to a pool of assets, with commercial use allowed under the plan.
• Editorial-only: not for commercial use.

Check for:

• allowed uses (ads, packaging, social media, merchandise, etc.)
• attribution requirements
• resale / redistribution restrictions
• exclusivity options
• modification rights

If you want, I can also help you read a specific library’s license terms.

Several popular icon libraries have a free tier, including:

• Font Awesome — free set available; paid Pro adds more icons/styles.
• Heroicons — free, open-source icons from Tailwind Labs.
• Lucide — free, open-source; very popular for React/Vue/etc.
• Tabler Icons — free, open-source SVG icon set.
• Remix Icon — free, open-source.
• Material Symbols / Material Icons — free from Google.
• Phosphor Icons — free, open-source.
• Feather Icons — free, open-source.
• Bootstrap Icons — free, open-source.
• Iconoir — free, open-source.

If you want, I can also rank them by best for React, best for design systems, or best for commercial use.

A few popular icon libraries with a free tier/free access:

• Font Awesome — has a Free account and free icon packages/styles. (docs.fontawesome.com)
• Icons8 — offers free use with attribution; their pricing page says icons can be used for free with limits. (icons8.com)
• Material Symbols / Material Icons — licensed under Apache 2.0 and available via Google Fonts. (developers.google.com)
• Lucide — open source, released under the ISC License. (lucide.dev)
• Heroicons — MIT licensed, so free to use. (heroicons.com)

If you want, I can also give you a best free icon library shortlist for web apps, React, or Figma.

Best overall value: Icons8 Pro

• Great mix of icons, illustrations, photos, music, and UI assets
• Strong search, consistent style sets, easy licensing
• Usually the best “one subscription covers a lot” option

Best for just icons: Flaticon Premium

• Huge library
• Very cheap for the amount of assets
• Best if you mostly need SVG/PNG icons and don’t care as much about illustrations

Best for illustrations: Storyset by Freepik or Freepik Premium

• Storyset is excellent for editable illustrations
• Freepik Premium is better if you want illustrations + vectors + templates

My pick:

• Need both icons + illustrations: Icons8 Pro
• Need lowest cost for icons only: Flaticon Premium
• Need illustration-heavy work: Freepik Premium

If you want, I can give you a best value ranking by monthly price or by best for commercial use.

Best value overall: Streamline Full Access. If you want both icons and illustrations, it’s the strongest all-around deal I found: from $29/month for access to 300,000+ icons and 30,000 illustrations, plus elements/emojis. (home.streamlinehq.com)

Best value by use case:

• Mostly icons, lowest cost: Flaticon Premium at $8.25/month billed yearly. (flaticon.com)
• Icons + illustrations + AI tools: Icons8 AI and graphics at $24/month, with illustration/icon generation and editing tools. (icons8.com)
• High-quality icon system with editor/customization: Noun Project Icon Pro / Creator Pro, but it’s usually better for simplicity than pure value. (thenounproject.com)

My quick pick:

• Design team / startup: Streamline
• Solo designer on a budget: Flaticon
• Need AI generation too: Icons8

If you want, I can narrow this to your exact budget and use case (web app, slides, social, brand kit, etc.).

Yes — many places sell icons and illustrations without a subscription.

Good one-time-purchase options:

• The Noun Project — individual icon licenses
• Icons8 — pay per asset / one-off licenses
• Flaticon — single downloads with premium license
• Adobe Stock — asset packs or credits, not always subscription-only
• Freepik — one-off license options for some assets
• Iconfinder — individual icon purchases
• DrawKit — illustration packs for one-time purchase
• Humaaans / Open Doodles / unDraw — free illustration sets with usage terms

If you want, I can also list the best non-subscription sites for commercial use only.

Yes — many sites let you buy icons/illustrations without a subscription. For example, The Noun Project offers single icon purchases for $4.99, and Iconfinder has a pay-as-you-go option with no subscription required, starting at $2/icon and $4/illustration. Shutterstock also sells on-demand packs for one-time projects. (help.thenounproject.com)

If you want, I can list the best no-subscription options for icons, illustrations, or both.

If you want consistent, polished illustrations for product/UI/marketing work, these are the ones most worth paying for:

Best overall

• Streamline — huge library, very polished, lots of styles, great for SaaS/product design. Worth it if you need variety and consistency.
• Icons8 Ouch! — strong for modern startup-style illustrations, easy to edit, good commercial licensing.
• Storyset by Freepik — excellent if you want customizable scenes (colors, layers, animations). Very good value.

Best for marketing/brand use

• Freepik Premium — broadest catalog, good if you need illustrations plus photos/icons/templates.
• Adobe Stock — best if your team already uses Adobe tools and wants reliable licensing and integration.
• Shutterstock — solid enterprise choice, especially if you need lots of assets and legal simplicity.

Best for UI/product design

• Humaaans / Blush — great for people illustrations and composition, especially for landing pages and onboarding.
• ManyPixels Illustrations — decent, clean, and affordable for startups.
• unDraw — not paid, but often good enough to skip paying unless you need exclusivity.

Best premium “design system” style

• Open Doodles — free, but worth noting.
• 3D illustrations from UI8 — worth paying for if you want a trendy 3D look and don’t mind buying packs individually.
• Craftwork — strong curated illustration packs; good for premium branding.

My short recommendation

If you only pay for one:

• Streamline if you need the best overall library.
• Storyset if you want the best value.
• Adobe Stock if licensing/security matters most.

If you tell me your use case—startup website, app UI, internal deck, or brand campaign—I can narrow it to the best 2–3 options.

If you want illustration libraries worth paying for, my short list is:

• Icons8 / Ouch — best all-around if you want a big, consistent library, SVG/PNG assets, animated formats, and no attribution on paid plans. Icons8’s illustration plans start at $24/mo for illustrations, and they also offer broader bundles and AI-generation tools. (icons8.com)
• Blush Pro — best if you want customizable illustrations with layer control and SVG export. Blush lets you customize elements like hair, clothes, expressions, and colors, and Pro unlocks SVG for the full library. (blush.design)
• ManyPixels — best if you want done-for-you custom illustrations rather than a stock library. It’s a flat-rate design service with illustration work included; the entry plan is $539/mo. (manypixels.co)

My take:

• For most teams: Icons8
• For product/UI illustrations you need to tweak: Blush
• For custom brand-specific work: ManyPixels (blush.design)

If you want, I can also give you a “best by budget” list under $25/mo, $100/mo, and agency-level.

Yes — several icon libraries offer team / business pricing or multi-seat licenses.

Common options:

• Font Awesome Pro — team licensing available for organizations
• Material Symbols / Google Icons — generally free, but no team plan needed
• Phosphor Icons — free, with paid commercial options depending on use
• Iconscout — team plans for icons, illustrations, and assets
• Nucleo — team licensing available
• Icons8 — business/team plans
• The Noun Project — team and enterprise plans

If you want, I can also compare the best team-priced icon sets for startups vs. enterprise.

Yes — a few do.

• IconScout has a Team plan and Team+ plan with shared downloads, collections, billing, and team access. (iconscout.com)
• Iconfinder offers plans with multiple seats, including Pro Micro (3 seats), Pro Standard (10 seats), Pro Ultimate (50 seats), plus enterprise. (iconfinder.com)
• The Noun Project has Team plans for shared assets and priority support. (thenounproject.com)

If you want, I can narrow this down to the best option for small teams, enterprise, or Figma/Adobe plugin use.

Icon and illustration libraries usually include some mix of these in their plans:

• Asset access: number of icons/illustrations, or full library access
• File formats: SVG, PNG, EPS, PDF, AI, sometimes Lottie/JSON
• Style sets: outline, filled, duotone, 3D, flat, hand-drawn, animated
• Customization: color changes, stroke width, size, background, editable layers
• Usage rights: personal vs commercial, web/app/print use, attribution rules
• Download limits: per day/month, or unlimited on paid tiers
• Team features: multiple seats, shared libraries, brand kits
• Updates: new assets added regularly, free updates for subscribers
• Integration: plugins for Figma, Adobe XD, Sketch, Canva, PowerPoint, etc.

Common examples:

• Noun Project: icon downloads, licensing, team tools
• Icons8: multiple formats/styles, editor, app integrations
• Flaticon: icon packs, SVG/PNG, commercial licenses
• Storyset by Freepik: editable illustrations, animations, branding options

If you want, I can compare the plans of 3–5 specific libraries side by side.

Usually their plans include some mix of:

• Icon/illustration access: full library or a limited subset
• File formats: SVG, PNG, PDF, sometimes AI/Figma
• License rights: personal, commercial, editorial, or extended use
• Download limits: per month or unlimited
• Style variants: outline, filled, colored, editable
• Customization: resize, recolor, stroke changes, sometimes online editor
• Attribution rules: whether credit is required
• Team features: shared workspace, collaboration, seats
• API or plugin access: Figma, Adobe, Canva, etc.
• Updates/new assets: ongoing additions included or not
• Support/prioritized support: for paid tiers

Common plan structure:

• Free: limited downloads, watermark/attribution, fewer formats
• Pro/Individual: full library, commercial use, no attribution
• Team/Business: multiple users, admin controls, billing
• Enterprise: custom licensing, SLA, legal terms, private assets

If you want, I can also compare what’s typically included in Free vs Pro vs Enterprise for specific libraries.

Here are the best ones I’d recommend for UI design:

Icon libraries

• Phosphor Icons — super clean, modern, lots of weights, great for product UI.
• Lucide — very popular open-source set, crisp and easy to use.
• Heroicons — excellent for web apps, especially if you use Tailwind.
• Feather Icons — simple, lightweight, minimal.
• Material Symbols — huge library, best if you want Google’s ecosystem.
• Tabler Icons — strong all-around set with a polished feel.
• Remix Icon — broad coverage, good balance of outline/filled styles.
• Font Awesome — biggest ecosystem, useful when you need coverage over style purity.

Illustration libraries

• Storyset by Freepik — one of the best for customizable web illustrations.
• unDraw — free, clean, modern illustrations with easy color matching.
• Blush — great for editable illustration packs from different artists.
• Ouch! by Icons8 — polished illustrations, lots of styles.
• ManyPixels Illustrations — good free/paid illustrations for SaaS and dashboards.
• Open Doodles — hand-drawn, playful style.
• IRA Design — customizable gradient-based illustrations.
• DrawKit — high-quality illustrations and scenes, very UI-friendly.

Best picks by use case

• Modern SaaS UI: Phosphor + Storyset
• Open-source/dev product: Lucide + unDraw
• Tailwind/web app: Heroicons + Storyset
• Enterprise/dashboard: Tabler + ManyPixels
• Wide icon coverage: Font Awesome + Blush

If you want, I can also give you the best free-only options or a Figma-friendly shortlist.

Here are the best icon and illustration libraries for UI design:

Icon libraries

• Phosphor Icons — very versatile, modern, clean, and great for product UI.
• Lucide — lightweight, open-source, and a strong choice if you like Lucide/Feather-style outlines.
• Heroicons — excellent for Tailwind/UI kits; simple and polished.
• Tabler Icons — huge set, consistent, very practical for dashboards and apps.
• Material Symbols — best if you want Google-style system icons and lots of weights/variants.
• Font Awesome — biggest all-around library; good coverage, especially for broad app needs.

Illustration libraries

• unDraw — free, clean, open-source illustrations; very popular for SaaS and onboarding screens.
• Storyset by Freepik — highly customizable illustrations with editable styles and colors.
• Ouch! by Icons8 — strong premium-quality illustration packs with lots of styles.
• IRA Design — nice gradient-based illustrations, good for modern startup UIs.
• Blush — great for mixing and customizing illustration packs from multiple artists.
• ManyPixels Illustrations — solid free illustration sets for landing pages and empty states.

Best picks by use case

• Best overall icons: Phosphor Icons
• Best open-source icons: Lucide
• Best UI illustrations: unDraw
• Best customizable illustrations: Storyset

If you want, I can also give you the best libraries by style (minimal, playful, 3D, corporate) or by framework like React, Figma, and Webflow.

Here are some of the best icon and illustration libraries for UI design:

Icon libraries

• Phosphor Icons — very flexible, clean, and modern; great for product UI.
• Heroicons — excellent if you work in Tailwind/React; crisp and simple.
• Lucide — open-source, lightweight, and a popular alternative to Feather.
• Material Symbols — huge set with consistent Google-style UI icons.
• Font Awesome — one of the biggest libraries; best for breadth and familiarity.
• Tabler Icons — polished outline icons with a very consistent style.
• Remix Icon — strong all-around set with both line and filled styles.

Illustration libraries

• Storyset by Freepik — customizable illustrations; very useful for onboarding and empty states.
• unDraw — free, clean SVG illustrations with easy color customization.
• Blush — lets you mix and customize illustration packs from different artists.
• Icons8 Ouch! — polished illustration packs, especially good for product marketing/UI.
• ManyPixels Illustrations — modern, minimal, and easy to use in apps.
• Open Doodles — hand-drawn style for friendly, playful interfaces.
• Humaaans — good for people-centric scenes and team/product visuals.

Best picks by use case

• Best overall icons: Phosphor Icons
• Best for Tailwind/UI kits: Heroicons
• Best open-source icon set: Lucide
• Best customizable illustrations: Storyset
• Best free minimalist illustrations: unDraw

If you want, I can also give you a “best free options only” list or a Figma-friendly shortlist.

Here are some of the best icon and illustration libraries for UI design:

Icons

• Phosphor Icons — very versatile, clean, and great for modern apps.
• Lucide — lightweight, consistent, and excellent for product UIs.
• Heroicons — ideal if you use Tailwind/React; simple and polished.
• Material Symbols — huge, reliable, and widely supported.
• Feather Icons — minimal and elegant; good for clean interfaces.
• Font Awesome — massive library with lots of edge cases covered.

Illustrations

• unDraw — free, customizable, and great for landing pages/onboarding.
• DrawKit — polished illustration packs, both free and premium.
• Storyset by Freepik — animated/customizable illustrations.
• Icons8 Ouch! — high-quality illustration sets with multiple styles.
• Blush — mix-and-match illustration tool with many artists/styles.
• ManyPixels — friendly, modern illustrations for SaaS and dashboards.

Best picks by use case

• SaaS/product UI: Lucide + unDraw
• Marketing/landing pages: Phosphor + Storyset
• Tailwind/React: Heroicons + Lucide
• Enterprise apps: Material Symbols + Feather
• Custom illustration style: Blush or DrawKit

If you want, I can also give you:

1. the best free options only, or
2. a stack recommendation for Figma + React + Tailwind.

Here are some of the best icon and illustration libraries for UI design:

Icon libraries

• Phosphor Icons — very flexible, modern, great for product UIs.
• Lucide — clean open-source Feather-style icons; excellent for SaaS and dashboards.
• Heroicons — polished, especially good for Tailwind/React projects.
• Font Awesome — huge library, very reliable, lots of styles.
• Material Symbols — best if you want Google’s Material Design look.
• Tabler Icons — crisp, consistent, and great for admin interfaces.
• Remix Icon — broad set with a balanced, modern style.

Illustration libraries

• Open Doodles — playful hand-drawn illustrations, good for friendly products.
• Storyset by Freepik — customizable, high-quality, great for onboarding/empty states.
• unDraw — clean, minimal, widely used, easy to match brand colors.
• Manypixels Gallery — modern illustrations with a startup-friendly feel.
• IRA Design — customizable gradient-style illustrations.
• Blush — curated illustration packs from different artists; very flexible.
• Humaaans — modular character illustrations, good for human-centric UI.

Best picks by use case

• Best all-around icons: Lucide, Phosphor
• Best all-around illustrations: unDraw, Storyset
• Best for enterprise/admin UI: Tabler Icons, Heroicons
• Best for playful brands: Open Doodles, Blush

If you want, I can also give you the best libraries for Figma, React, or commercial use without attribution.

A few of the most popular icon and illustration libraries designers use are:

Icon libraries

• Font Awesome — huge, very common, easy to use in UI/design systems.
• Material Symbols / Material Icons — Google’s standard set, popular for product design.
• Feather Icons — clean, minimal, widely used in modern interfaces.
• Heroicons — especially popular with Tailwind/UI designers.
• Phosphor Icons — flexible weights/styles, very designer-friendly.
• Remix Icon — broad set, polished, good for web apps.
• Tabler Icons — consistent, stroke-based, popular in dashboards.

Illustration libraries

• unDraw — free, customizable SVG illustrations, very widely used.
• Storyset by Freepik — popular, editable illustration styles.
• ManyPixels Illustrations — clean, modern, easy for startups/SaaS.
• Icons8 Ouch! — polished illustration packs.
• IRA Design — customizable gradient/flat illustrations.
• Blush — great for mixing and matching illustration packs.
• Open Doodles — hand-drawn style, popular for friendly brands.

If you want, I can also give you:

1. the best free options,
2. the best Figma-ready libraries, or
3. the best picks for SaaS/web apps.

Here are some of the most popular icon and illustration libraries designers use:

Icon libraries

• Font Awesome — the classic go-to, huge ecosystem, very widely recognized.
• Material Symbols (Google) — best if you want Google/Material-style UI.
• Heroicons — very popular for modern web/app interfaces, especially Tailwind users.
• Lucide — clean, lightweight, and a favorite for product/UI design.
• Feather Icons — simple, minimal, and widely used.
• Phosphor Icons — flexible, stylish, and popular in modern design systems.
• Tabler Icons — large set, very clean, great for dashboards.
• Remix Icon — broad set with a polished, consistent look.

Illustration libraries

• Storyset by Freepik — one of the most popular for customizable illustrations.
• unDraw — free, clean, and widely used for landing pages and SaaS.
• Blush — lets you mix and customize illustration packs.
• Humaaans — popular character-based illustration system.
• Open Doodles — playful hand-drawn style.
• ManyPixels Illustrations — simple, modern, and easy to use.
• DrawKit — high-quality illustration packs for product and marketing work.
• Icons8 Ouch! — big library of illustration styles.
• Open Peeps — customizable hand-drawn people illustrations.

If you want, I can also give you:

1. the best free options,
2. the best for SaaS/UI design, or
3. a shortlist by style (minimal, outline, colorful, hand-drawn).

Here are some of the most popular icon and illustration libraries designers use:

Icon libraries

• Font Awesome — huge, widely used, easy to integrate.
• Material Icons / Material Symbols — Google’s standard icon set, very common in product design.
• Heroicons — clean, popular for modern UI, especially with Tailwind.
• Phosphor Icons — versatile, stylistically consistent, very popular lately.
• Feather Icons — simple, lightweight, minimal line icons.
• Tabler Icons — large set, crisp and modern.
• Lucide — a popular Feather-style open-source icon library.

Illustration libraries

• Blush — customizable illustrations from multiple artists.
• Storyset by Freepik — animated and editable illustration packs.
• unDraw — free, modern SVG illustrations.
• ManyPixels Gallery — simple, customizable illustration sets.
• Icons8 Ouch! — polished illustration packs with multiple styles.
• Humaaans — mix-and-match people illustrations.
• Open Doodles — hand-drawn, playful style.

If you want, I can also rank these by best for SaaS UI, best free options, or best for Figma use.

Some of the most popular icon and illustration libraries designers use are:

Icon libraries

• Font Awesome — very widely used, huge icon set, easy to use in web/UI.
• Material Icons (Google) — clean, common in product design and Android-style interfaces.
• Heroicons — popular with modern web apps, especially Tailwind users.
• Phosphor Icons — flexible styles, very popular for polished UI work.
• Feather Icons — lightweight, minimal, clean line icons.
• Lucide — modern successor-style icon set, widely used in design/dev workflows.
• Tabler Icons — large open-source set, consistent and versatile.
• Bootstrap Icons — good for general UI work, lots of common symbols.

Illustration libraries

• Storyset by Freepik — one of the most popular for editable web illustrations.
• unDraw — very common for startup/landing page illustrations.
• ManyPixels Illustrations — simple, friendly, widely used in SaaS/product marketing.
• Blush — a popular marketplace/tool for customizing illustration packs.
• Open Doodles — hand-drawn, playful style.
• IRA Design — customizable gradient-based illustrations.
• DrawKit — polished illustration sets for websites and apps.

Best “go-to” picks

If you want the safest mainstream options:

• Icons: Font Awesome, Material Icons, Heroicons
• Illustrations: unDraw, Storyset, Blush

If you want, I can also give you:

1. best libraries for Figma,
2. best free options, or
3. best modern/minimal style libraries.

Here are some of the most popular icon and illustration libraries designers use:

Icon libraries

• Font Awesome — huge icon set, very widely used
• Material Icons / Material Symbols — Google’s standard for UI design
• Heroicons — clean, modern icons, popular in product/UI design
• Phosphor Icons — flexible style set, great for apps and dashboards
• Feather Icons — simple, lightweight, minimal outline icons
• Tabler Icons — large free set, popular with designers/developers
• Lucide — modern open-source fork of Feather, very popular lately
• Remix Icon — broad set with both outline and filled styles
• Bootstrap Icons — solid general-purpose UI icon library
• The Noun Project — massive marketplace/library for many icon styles

Illustration libraries

• unDraw — very popular free illustrations, easy to customize
• Storyset by Freepik — animated/customizable illustration packs
• ManyPixels Gallery — free editable illustration library
• Blush — customizable illustration collections from artists
• DrawKit — polished illustration packs for SaaS and marketing
• Ouch! by Icons8 — many styles, including 3D and flat
• IRA Design — gradient-based illustrations, easy to edit
• Open Doodles — hand-drawn, playful style
• Humaaans — customizable people illustrations
• LottieFiles — popular for animated illustrations and microinteractions

If you want, I can also give you:

1. the best free ones,
2. the best for Figma, or
3. the best for startup/product UI design.

Here are some of the top icon and illustration library platforms:

Icon libraries

• Noun Project — huge icon collection, great for general-purpose use.
• Font Awesome — very popular, especially for web apps and UI.
• Icons8 — strong for icons, UI assets, and styles.
• Material Symbols / Material Icons — best if you want Google/Android-style design.
• Heroicons — clean, modern icons for web apps.
• Phosphor Icons — flexible, consistent, and very popular with designers/devs.
• Tabler Icons — excellent open-source option with a large set.

Illustration libraries

• Storyset by Freepik — customizable illustrations, very popular for landing pages.
• unDraw — free, editable illustrations with a clean style.
• ManyPixels Gallery — simple, friendly illustration sets.
• Blush — lets you mix and customize illustration packs.
• Ouch! by Icons8 — polished illustrations in multiple styles.
• IRA Design — open-source, customizable illustration system.
• Open Doodles — hand-drawn, playful illustrations.

Best all-around picks

• Icons: Font Awesome, Icons8, Heroicons
• Illustrations: Storyset, unDraw, Blush

If you want, I can also recommend the best options for free, commercial use, or Figma-friendly libraries.

Here are the top icon and illustration library platforms:

Icons

• Font Awesome — huge, very popular, easy to use across web/apps.
• Nucleo — strong curated icon sets, great search and organization.
• The Noun Project — massive library, broad style range.
• Material Symbols / Material Icons — best if you want Google’s design system style.
• Heroicons — clean, modern, great for SaaS and dashboards.
• Phosphor Icons — flexible, polished, lots of weights/styles.
• Feather Icons — simple, lightweight, minimal outline icons.
• Tabler Icons — excellent open-source set for modern interfaces.

Illustrations

• Storyset by Freepik — highly customizable illustrations, very popular for marketing/product pages.
• Blush — mixes and matches illustration styles, easy customization.
• Icons8 Ouch! — polished illustration packs, many styles.
• DrawKit — good quality, modern illustration bundles.
• ManyPixels — clean, startup-friendly illustration sets.
• unDraw — free, minimalist SVG illustrations, easy to recolor.
• IRA Design — customizable gradient-based illustrations.

Best overall picks

• Icons: Font Awesome, Nucleo, Heroicons, Tabler Icons
• Illustrations: Storyset, Blush, unDraw, Icons8 Ouch!

If you want, I can also give you:

1. the best free options,
2. best for commercial use, or
3. a stack ranked by quality/style.

Here are the top icon and illustration library platforms:

Icons

• Font Awesome — huge icon set, very popular for web apps and UI.
• Icons8 — broad library of icons, illustrations, photos, and music.
• The Noun Project — excellent for simple, consistent icons.
• Iconscout — strong all-in-one marketplace for icons, illustrations, 3D assets, and Lottie.
• Flaticon — massive icon library, especially useful for common UI needs.
• Streamline — premium, highly polished icon styles for product design.
• Iconfinder — good for searching across many icon packs and styles.

Illustrations

• unDraw — free, clean SVG illustrations, very popular for landing pages and products.
• Storyset by Freepik — customizable illustration packs with animation options.
• Freepik — huge collection of illustrations, vectors, and design assets.
• Icons8 Ouch! — strong illustration library with many styles.
• DrawKit — high-quality illustration packs for modern UI/marketing.
• ManyPixels Gallery — free, simple illustrations for startup-style visuals.

Best picks by use case

• Best overall icon platform: Iconscout
• Best free illustrations: unDraw
• Best for web app icons: Font Awesome
• Best for variety: Icons8 or Freepik

If you want, I can also rank these by free vs paid, best for startups, or best for Figma/design systems.

Here are some of the best icon and illustration library platforms:

Icon libraries

• The Noun Project — huge icon catalog, great for simple, consistent symbols.
• Flaticon — massive library, lots of styles and editable vectors.
• Icons8 — polished icon sets, strong UI/UX focus, also offers illustrations.
• Streamline — premium, very high-quality, consistent icon systems.
• Iconfinder — good marketplace for both free and paid icons.
• SVG Repo — large free SVG icon library.
• Font Awesome — best-known icon set for web apps and interfaces.

Illustration libraries

• unDraw — free, modern open illustrations.
• Storyset by Freepik — customizable illustrations with multiple styles.
• ManyPixels Gallery — clean, free illustrations for startup/UI use.
• DrawKit — well-designed free and premium illustration packs.
• Blush — customizable illustrations from multiple artists.
• Ouch! by Icons8 — polished illustration packs, especially for product pages.
• Humaaans — popular character illustration builder.
• Open Doodles — playful hand-drawn illustration style.

Best overall picks

• Icons: Streamline, Icons8, The Noun Project
• Illustrations: Storyset, unDraw, DrawKit

If you want, I can also narrow this down by free-only, premium, or best for SaaS/product UI.

Here are some of the top icon and illustration library platforms:

Icon libraries

• Noun Project — huge, searchable icon collection; great for general-purpose UI and presentation use.
• Font Awesome — one of the most popular icon sets for web/apps; strong free + pro options.
• Material Symbols / Material Icons — Google’s icon system; best for Material Design apps.
• Heroicons — clean, modern icons; popular for Tailwind/React projects.
• Phosphor Icons — flexible, elegant icon family with multiple weights.
• Remix Icon — broad open-source set with a polished look.
• Bootstrap Icons — solid choice for web UI and Bootstrap projects.
• Lucide — clean line icons, widely used in modern UI kits.
• Flaticon — huge marketplace-style library with many icon packs.

Illustration libraries

• Storyset by Freepik — customizable illustration packs; very popular for landing pages.
• Undraw — free, simple SVG illustrations with easy color customization.
• Icons8 Ouch! — high-quality illustration packs in multiple styles.
• ManyPixels Gallery — free illustrations, good for startups and websites.
• Blush — lets you mix and customize illustration collections.
• DrawKit — stylish illustration sets for web and product design.
• IRA Design — customizable gradient-based illustrations.
• Open Doodles — hand-drawn, playful illustration style.
• Freepik — large general asset library including illustrations, vectors, and icons.

Best picks by use case

• Best overall icons: Font Awesome, Noun Project
• Best modern UI icons: Heroicons, Lucide, Phosphor
• Best illustrations for marketing pages: Storyset, Undraw, Blush
• Best enterprise/design-system fit: Material Symbols, Bootstrap Icons

If you want, I can also give you:

1. the best free-only platforms, or
2. a comparison table by pricing, license, and style.

Designers most often recommend these:

Icon libraries

• Font Awesome — huge, reliable, easy to use; great all-rounder.
• Material Symbols / Material Icons — best for clean, modern UI systems.
• Phosphor Icons — very popular for flexible line/duotone styles.
• Heroicons — excellent for web apps, especially Tailwind/React projects.
• Feather Icons — simple, lightweight, minimal.
• Tabler Icons — big free set, very polished.
• Remix Icon — broad, consistent, good for product UI.
• Lucide — modern open-source successor-style set, very popular with developers/designers.

Illustration libraries

• unDraw — probably the most commonly recommended free illustration library.
• Storyset by Freepik — editable, colorful, very usable for marketing/UI.
• Ouch! by Icons8 — strong commercial-quality illustrations.
• ManyPixels Gallery — clean, modern, free illustrations.
• Blush — lets you mix and customize illustration packs.
• Open Doodles — hand-drawn, playful style.
• IRA Design — customizable gradient illustrations.
• DrawKit — polished, premium-looking illustration packs.

If you want the “safest bets”

• Icons: Font Awesome, Material Symbols, Phosphor, Heroicons, Lucide
• Illustrations: unDraw, Storyset, ManyPixels, Blush

If you want, I can also narrow this down by use case: startup website, SaaS app, mobile app, or editorial/marketing design.

The most commonly recommended ones are:

Icon libraries

• Font Awesome — the safest all-purpose pick for broad app/web use.
• Material Symbols / Material Icons — best if you want Google/Material Design style.
• Heroicons — very popular for modern SaaS/UI, especially with Tailwind.
• Phosphor Icons — flexible, friendly style with lots of weights.
• Feather Icons — clean, minimal, lightweight.
• Lucide — a strong Feather-style alternative, very popular in modern design systems.
• Remix Icon — huge set, good for both line and filled styles.
• Tabler Icons — crisp, consistent, and designer-friendly.

Illustration libraries

• unDraw — one of the most recommended for free, customizable illustrations.
• Storyset by Freepik — very popular, editable styles and easy to match branding.
• Blush — great if you want illustration packs from different artists.
• IRA Design — good for gradient-based, customizable illustrations.
• Open Doodles — playful hand-drawn style.
• ManyPixels Illustrations — clean, modern startup-friendly art.
• Ouch! by Icons8 — polished commercial illustration packs.

If you want the “top 3” most recommended overall

• Icons: Font Awesome, Heroicons, Lucide
• Illustrations: unDraw, Storyset, Blush

If you tell me your style (minimal, playful, enterprise, SaaS, etc.), I can narrow it to the best 3 for your use case.

Designers most often recommend these:

Icon libraries

• Font Awesome — huge, reliable, easy to use.
• Material Symbols / Material Icons — best for Google/Android-style UI.
• Phosphor Icons — very popular for clean, modern product design.
• Heroicons — great for web apps, especially Tailwind projects.
• Feather Icons — simple, lightweight, minimal.
• Tabler Icons — broad set, polished line icons.
• Remix Icon — good mix of outline + filled styles.
• The Noun Project — massive library, great for unique icon needs.

Illustration libraries

• Storyset by Freepik — super popular for customizable website illustrations.
• unDraw — free, clean SVG illustrations.
• Blush — strong for editable illustration packs from different artists.
• Open Doodles — playful hand-drawn style.
• ManyPixels Illustrations — polished, business-friendly.
• IRA Design — customizable gradients and styles.
• Humaaans — great for character-based compositions.

If you want, I can also give you:

1. best free options only, or
2. best choices for SaaS / app UI / marketing sites.

Most designers commonly recommend these:

Icon libraries

• Iconify — huge aggregator; one of the most practical all-around choices.
• Font Awesome — very popular, broad set, easy to use.
• Phosphor Icons — clean, modern, great for UI.
• Heroicons — especially recommended for SaaS/web apps.
• Material Symbols — solid default for Google-style interfaces.
• Feather Icons / Lucide — simple, lightweight, very designer-friendly.

Illustration libraries

• Storyset by Freepik — probably the most recommended for startup/product illustrations.
• Blush — great for customizable illustration packs.
• unDraw — free, clean, easy to match branding.
• ManyPixels Illustrations — polished and commonly used in marketing pages.
• Open Doodles — hand-drawn, playful style.
• IRA Design — good for colorful gradient-style illustrations.

Best quick picks

• Icons: Phosphor Icons or Heroicons
• Illustrations: Storyset or unDraw

If you want, I can also narrow this down by style: minimal, playful, enterprise/SaaS, or free only.

Designers most often recommend these:

Icon libraries

• Font Awesome — huge, reliable, widely used
• Material Symbols / Material Icons — best for Google-style UI
• Heroicons — very popular for modern web apps, especially Tailwind
• Lucide — clean, lightweight, open-source, current favorite
• Phosphor Icons — flexible styles, great visual quality
• Feather Icons — simple, minimal, still loved for clean interfaces

Illustration libraries

• unDraw — free, customizable, very common in product design
• Storyset by Freepik — polished, editable, many styles
• Blush — strong for mixing illustration packs and styles
• ManyPixels Illustrations — popular for SaaS and landing pages
• Ouch! by Icons8 — high-quality, modern, easy to browse
• Open Doodles — playful, hand-drawn style

Best “safe picks”

• Icons: Lucide, Heroicons, Font Awesome
• Illustrations: unDraw, Storyset, Blush

If you want, I can also give you the best ones by use case: startup SaaS, mobile app, dashboard, or marketing site.

Here are some of the best icon libraries for web and app projects:

• Font Awesome — huge icon set, very popular, easy to use across web apps.
• Material Symbols / Material Icons — best if you want Google’s Material Design look; great for Android and modern web.
• Heroicons — clean, minimal outline/solid icons; excellent for React, Tailwind, and SaaS apps.
• Feather Icons — simple, lightweight, elegant line icons.
• Lucide — modern fork inspired by Feather; very popular for React, Vue, and general web UI.
• Phosphor Icons — highly flexible style set with weights (thin, bold, fill, etc.); great for polished product UI.
• Tabler Icons — large free set with a consistent style; excellent for dashboards and admin panels.
• Remix Icon — broad, balanced set for web and mobile interfaces.
• Bootstrap Icons — solid choice if you use Bootstrap or want a clean general-purpose set.
• Ionicons — especially strong for mobile and hybrid app projects like Ionic/Capacitor.

Best picks by use case

• General web apps: Lucide, Heroicons, Tabler Icons
• Mobile/hybrid apps: Ionicons, Material Symbols
• Enterprise/admin dashboards: Tabler Icons, Font Awesome
• Design-heavy polished UI: Phosphor Icons

If you want, I can also recommend the best one for React, Vue, Flutter, or iOS/Android specifically.

Here are some of the best icon libraries for web and app projects:

Top picks

• Font Awesome — Huge library, very popular, great docs, easy to use in web apps.
• Material Symbols / Material Icons — Best if you want Google’s clean, modern UI style.
• Heroicons — Excellent for React/Tailwind projects; simple, polished SVG icons.
• Phosphor Icons — Very flexible, multiple weights/styles, great for modern product UIs.
• Lucide — Lightweight, clean, open-source fork of Feather; great for web apps.
• Feather Icons — Minimal, elegant, lightweight SVG icons.
• Remix Icon — Large set with good coverage and consistent style.
• Bootstrap Icons — Solid general-purpose set, especially if you use Bootstrap.

Best by use case

• For React / Tailwind: Heroicons, Lucide, Phosphor
• For enterprise / broad coverage: Font Awesome, Material Symbols
• For minimalist UI: Feather, Lucide
• For mobile/app UI: Material Symbols, Phosphor, SF Symbols (Apple-only)

Mobile-specific

• SF Symbols — Best for iOS apps.
• Material Symbols — Best for Android and cross-platform design systems.

My quick recommendation

• Most web projects: Lucide or Heroicons
• Need the biggest library: Font Awesome
• Need platform-native look: SF Symbols for iOS, Material Symbols for Android

If you want, I can also give you the best icon library by framework (React, Vue, Flutter, Swift, etc.).

Here are some of the best icon libraries for web and app projects:

• Font Awesome — biggest all-purpose library; great coverage, easy to use, widely supported.
• Material Symbols / Material Icons — best if you want Google’s Material Design style; very clean for Android/web apps.
• Heroicons — excellent for modern SaaS and dashboards; crisp, minimal, and easy to pair with Tailwind CSS.
• Feather Icons — lightweight, simple line icons; great for clean UI.
• Phosphor Icons — very versatile, with multiple weights/styles; one of the best-looking modern sets.
• Lucide — open-source, polished, and a popular Feather-style alternative with strong React/Vue support.
• Tabler Icons — huge set of consistent outline icons; great for admin panels and dashboards.
• Bootstrap Icons — solid general-purpose set, especially good if you already use Bootstrap.
• Remix Icon — very complete set with both line and fill styles; good for web apps and Chinese-market-friendly tooling.
• Ionicons — especially good for mobile/app interfaces; used a lot in Ionic apps.

Best picks by use case:

• General web app: Font Awesome, Phosphor, Lucide
• Tailwind/modern SaaS: Heroicons, Lucide
• Material-style apps: Material Symbols
• Mobile apps: Ionicons
• Dashboards/admin UIs: Tabler Icons, Remix Icon

If you want, I can also give you the best icon library for React, Vue, Flutter, or native mobile specifically.

Here are the best icon libraries I’d recommend for web and app projects:

• Font Awesome — huge library, very common, great tooling, solid for general-purpose UI.
• Material Symbols / Material Icons — best if you want Google’s Material Design look, especially for Android/web apps.
• Heroicons — clean, modern outline/solid icons; excellent for Tailwind and SaaS UIs.
• Phosphor Icons — very flexible styles (thin, regular, bold, fill); polished and trendy.
• Lucide — lightweight, crisp, open-source successor-style to Feather; great default choice for web apps.
• Tabler Icons — large set, consistent stroke style, very good for dashboards and admin panels.
• Bootstrap Icons — simple, practical, and good if you’re already using Bootstrap.
• Remix Icon — broad set with both line and fill styles; strong all-around option.
• Feather Icons — minimal, elegant, and lightweight, though smaller than newer sets.
• Ionicons — a strong choice for mobile apps, especially if you use Ionic/Capacitor.

Quick picks:

• Best overall: Lucide or Font Awesome
• Best for modern SaaS: Heroicons or Phosphor
• Best for Material apps: Material Symbols
• Best for dashboards: Tabler Icons

If you want, I can also give you the best icon library by framework (React, Vue, Flutter, iOS, Android, etc.).

Here are the best icon libraries for web and app projects:

• Font Awesome — biggest all-around library, huge brand + UI set, very polished; great for fast shipping.
• Material Symbols (Google) — best if you want Material Design consistency; strong for Android/web products.
• Phosphor Icons — modern, friendly, very flexible weights; excellent for SaaS and product UI.
• Heroicons — clean, crisp, perfect for React/Tailwind projects.
• Lucide — sharp, minimal, open-source; great replacement for Feather with broader coverage.
• Feather Icons — ultra-light, simple, ideal for minimal UIs.
• Tabler Icons — large open-source set with a consistent outline style; great value.
• Remix Icon — good balanced style with both line and filled icons; solid general-purpose choice.
• Ionicons — especially good for mobile apps and Ionic/Capacitor projects.
• Bootstrap Icons — reliable, simple, and good for standard web apps.

Best picks by use case:

• Best overall: Font Awesome
• Best for modern UI: Phosphor Icons
• Best for React/Tailwind: Heroicons or Lucide
• Best for Android/Material UI: Material Symbols
• Best for mobile apps: Ionicons
• Best free open-source set: Tabler Icons or Lucide

If you want, I can also give you the best icon library by framework (React, Vue, Flutter, Swift, Android, etc.).

Here are some of the best illustration libraries for marketing and branding:

Top picks

• Blush — Great for custom, brand-friendly illustrations.

Best for: modern landing pages, SaaS, startup branding. Standout: easy style customization with artists like Svetlana and IRA Design.

• unDraw — Clean, simple, free illustrations.

Best for: websites, decks, product marketing. Standout: open, consistent style; easy color customization.

• Storyset by Freepik — Very strong for marketing use.

Best for: explainer pages, blog graphics, campaigns. Standout: multiple styles, animation options, lots of variety.

• Humaaans — Excellent for modular people illustrations.

Best for: friendly branding, team visuals, onboarding. Standout: highly customizable character scenes.

• Icons8 Ouch! — Polished, commercial-ready illustration packs.

Best for: ads, app onboarding, presentations. Standout: multiple styles and professional quality.

• DrawKit — Stylish and modern packs.

Best for: startups, pitch decks, product pages. Standout: cohesive visual systems that look premium.

Best premium option

• ManyPixels Illustration Gallery — Strong for businesses needing a broad, consistent library.

Best for: agencies, SaaS, corporate branding.

Best free option

• unDraw
• Humaaans
• IRA Design

My quick recommendation

• Best overall: Blush
• Best for marketing assets: Storyset
• Best free: unDraw
• Best premium/pro look: Icons8 Ouch! or DrawKit

If you want, I can also give you:

1. the best libraries by style (flat, 3D, hand-drawn, corporate), or
2. the best ones with commercial-friendly licensing.

Here are some of the best illustration libraries for marketing and branding:

Top picks

• Storyset by Freepik — Great for startup/marketing visuals; editable, modern, and easy to brand-match.
• Blush — Strong for custom, flexible illustrations; lets you mix styles and colors for brand consistency.
• Icons8 Ouch! — Polished, professional illustrations with lots of marketing-friendly themes.
• unDraw — Clean, minimal SVG illustrations; good if you want a sleek, modern brand look.
• ManyPixels Illustration Gallery — Broad collection with a friendly, commercial feel; useful for landing pages and campaigns.
• Humaaans — Great character-based illustration system for human-centered branding.
• IRA Design — Nice if you want playful, gradient-heavy illustrations and scenes.
• Open Doodles — Hand-drawn style that works well for casual, creative, or community-focused brands.

Best by use case

• Most brandable: Blush, Storyset
• Most professional/corporate: Icons8 Ouch!, unDraw
• Most playful: Open Doodles, IRA Design
• Best for startups: Storyset, ManyPixels

If you want, I can also rank these by licensing, price, or best for B2B vs DTC branding.

Here are the best illustration libraries for marketing and branding:

• Storyset by Freepik — Best overall for marketing teams. Editable scenes, lots of styles, and easy brand customization.
• Blush — Best for flexible brand visuals. Great if you want to mix styles and customize characters/scenes.
• DrawKit — Best for polished, modern SaaS and startup branding. Strong, clean art direction.
• Icons8 Ouch! — Best for high-quality commercial work. Very polished and useful for landing pages, ads, and decks.
• unDraw — Best for simple, clean, free illustrations. Great for lightweight branding and product pages.
• ManyPixels Illustrations — Best for friendly, consistent marketing assets. Easy to use and brand-safe.
• Humaaans — Best for character-based branding. Good for building custom people-centric scenes.

Best picks by need

• Best overall: Storyset
• Best free option: unDraw
• Best for customization: Blush
• Best for premium look: Icons8 Ouch!
• Best for SaaS/tech brands: DrawKit

If you want, I can also give you a shortlist by budget or best libraries with commercial licensing.

Here are some of the best illustration libraries for marketing and branding:

• Blush — Great for customizable, modern illustrations. Easy to edit colors and styles; popular for SaaS and startup branding.
• Icons8 Ouch! — Large collection of polished illustration packs with consistent style; good for ads, landing pages, and presentations.
• Storyset by Freepik — Strong for branded marketing visuals with lots of editable scenes and animation options.
• ManyPixels Illustration Gallery — Clean, friendly illustrations that work well for websites, onboarding, and brand decks.
• Humaaans — Excellent for creating diverse human characters in a custom brand style.
• IRA Design — Free, configurable gradient-based illustrations; useful for modern tech brands.
• Open Peeps — Hand-drawn, approachable style; good for playful brands and social content.
• Figma Community illustration packs — Best if your team works in Figma and wants fast customization.

If you want the best all-around choices for marketing/branding, I’d start with Blush, Storyset, and Icons8 Ouch!.

If you want, I can also narrow this down by:

1. free vs paid
2. best for B2B/SaaS
3. best for playful consumer brands
4. best for Figma workflows

Here are some of the best illustration libraries for marketing and branding:

Top picks

• Storyset by Freepik — Great for polished, editable marketing illustrations; strong for landing pages, SaaS, and presentations.
• Blush — Excellent for customizable character-based illustrations; very brand-friendly and easy to adapt.
• Icons8 Ouch! — Modern, high-quality illustration packs with lots of styles; good for ads, websites, and social content.
• ManyPixels Gallery — Clean, versatile illustrations for startups and brand materials.
• DrawKit — Friendly, colorful illustration packs that work well for product marketing and explainer content.

Best for brand customization

• Blush — probably the strongest for tweaking colors and composition.
• Storyset — especially good if you want editable scenes and motion-ready assets.
• Humaaans by Pablo Stanley — great for building custom people scenes, though more minimal.

Best for premium, polished look

• Icons8 Ouch!
• Storyset
• DrawKit Pro

Best free options

• Storyset
• ManyPixels Gallery
• Humaaans
• unDraw — simple, consistent, and widely used for web/marketing visuals.

Quick recommendation

• For SaaS/marketing sites: Storyset or Ouch!
• For brand systems and custom scenes: Blush
• For clean startup visuals: ManyPixels or unDraw

If you want, I can also give you the best illustration library for your specific brand style (minimal, playful, premium, corporate, etc.).

Here are the ones most worth using:

Vector icon libraries

• Font Awesome — huge, reliable, great if you need lots of common UI icons.
• Material Symbols — best for clean app/UI work, especially if you like Google’s style.
• Heroicons — excellent for modern web apps; simple and polished.
• Lucide — very popular right now; lightweight, consistent line icons.
• Phosphor Icons — flexible set with multiple weights, good for custom-feeling interfaces.
• Tabler Icons — broad set, clean outline style, great value.
• Feather Icons — minimal and elegant, though smaller set.

Illustration libraries

• Storyset by Freepik — one of the best for customizable marketing and onboarding illustrations.
• unDraw — free, simple, widely used, easy to match many products.
• Blush — great if you want multiple illustration styles and customization.
• Icons8 Ouch! — polished, ready-to-use illustrations with a lot of variety.
• Manypixels Illustrations — clean SaaS-style illustrations, good for landing pages.
• Open Doodles — hand-drawn style, friendly and playful.

Best picks by use case

• SaaS/product UI: Lucide, Heroicons, Tabler Icons
• Enterprise/app UI: Material Symbols, Font Awesome
• Marketing/landing pages: Storyset, unDraw, Icons8 Ouch!
• Playful/brand-y designs: Phosphor Icons, Open Doodles, Blush

If you want, I can also rank them by quality, license, and customization.

Here are the vector icon/illustration libraries most worth using:

Icons

• Font Awesome — huge, reliable, easy to use everywhere.
• Material Symbols (Google) — best if you want a clean, modern UI set.
• Phosphor Icons — very polished, flexible weights, great for product/UI design.
• Heroicons — excellent for Tailwind/modern web apps.
• Lucide — lightweight, crisp, good open-source alternative to Feather.
• Tabler Icons — large free set, consistent and developer-friendly.
• Remix Icon — broad coverage, nice for apps and dashboards.
• Noto Emoji / Twemoji — if you need vector-style emoji.

Illustrations

• unDraw — free, clean SVG illustrations, easy to recolor.
• Storyset by Freepik — very popular, customizable illustration styles.
• Blush — great for mixing illustration packs and styles.
• ManyPixels — good free/paid SVG illustration library.
• Humaaans — simple people illustrations, useful for onboarding pages.
• Open Doodles — playful hand-drawn style, free.
• IRA Design — nice gradient/outline illustration system.
• LottieFiles — for vector animations, not static illustrations.

Best picks by use case

• Most versatile icons: Phosphor Icons or Font Awesome
• Best modern UI icons: Heroicons, Lucide, Tabler
• Best free illustrations: unDraw, Open Doodles
• Best customizable illustrations: Storyset, Blush
• Best animation/vector motion: LottieFiles

If you want, I can also recommend the best options for web app UI, mobile apps, or marketing sites.

Here are the vector icon/illustration libraries I’d actually consider worth using:

Best icon libraries

• Heroicons — clean, modern, great for Tailwind/UI apps.
• Lucide — excellent open-source fork of Feather; very polished and consistent.
• Phosphor Icons — one of the most versatile sets; multiple weights/styles.
• Tabler Icons — huge, tidy set; very practical for product dashboards.
• Material Symbols — best if you want Google’s design system or broad app support.
• Font Awesome — still strong if you need sheer breadth and easy adoption.
• Iconoir — lightweight, nicely designed, good general-purpose choice.

Best illustration libraries

• unDraw — free, simple, editable, and widely used.
• Storyset by Freepik — strong if you want customizable marketing-style illustrations.
• ManyPixels Illustrations — clean SaaS/startup-friendly artwork.
• Blush — great for mixing and matching illustration packs.
• Ouch! by Icons8 — lots of styles; good for polished product visuals.
• Open Doodles — hand-drawn, friendly style for playful brands.

If you want the safest picks

• Icons: Lucide + Heroicons
• Illustrations: unDraw + Storyset

If you tell me your stack/style (e.g. SaaS, mobile app, editorial, playful startup), I can narrow it to the best 3.

Good ones, by category:

Vector icon libraries

• Font Awesome — huge, reliable, easy to use.
• Material Symbols / Material Icons — great for app/UI design, very consistent.
• Heroicons — clean, modern, popular for web apps.
• Phosphor Icons — lots of weights/styles, very flexible.
• Tabler Icons — excellent for dashboards and SaaS UI.
• Lucide — lightweight, crisp, open source; very popular.
• Feather Icons — minimal and clean, though smaller set.

Illustration libraries

• unDraw — free, customizable, widely used.
• Storyset by Freepik — polished, editable styles, good for landing pages.
• Humaaans — mix-and-match character illustrations.
• Open Doodles — playful hand-drawn style.
• IRA Design — gradient-based illustrations, customizable.
• ManyPixels Gallery — solid free illustration packs.
• Blush — not one library, but a great illustration generator/marketplace.

Best picks

• For product UI: Lucide, Heroicons, Tabler Icons
• For enterprise/dashboard: Tabler Icons, Font Awesome
• For marketing pages: unDraw, Storyset, Blush

If you want, I can also give you a “best free only” list or best paid/pro options.

Good ones, by use case:

Vector icon libraries

• Font Awesome — huge, reliable, easy to use.
• Material Symbols / Material Icons — best if you want Google’s clean UI style.
• Heroicons — great for modern web apps, especially Tailwind projects.
• Tabler Icons — excellent free, consistent stroke icons.
• Feather Icons — simple, lightweight, clean.
• Phosphor Icons — very flexible; lots of weights/styles.
• Lucide — popular open-source fork-style set; great for dev-friendly apps.
• Remix Icon — broad set with solid coverage.
• Bootstrap Icons — good general-purpose library.

Illustration libraries

• unDraw — free, clean, customizable illustrations.
• Storyset by Freepik — polished, animated/static illustrations.
• Ouch! by Icons8 — strong commercial-quality artwork.
• Blush — mix-and-match illustration collections.
• ManyPixels Illustrations — simple, modern, editable style.
• DrawKit — nice premium-looking packs.
• IRA Design — customizable gradient illustrations.
• Open Doodles — hand-drawn, playful style.

Best picks overall

• Icons: Heroicons, Tabler Icons, Lucide
• Illustrations: unDraw, Storyset, ManyPixels

If you tell me your stack (React, Flutter, Figma, etc.) and style (minimal, playful, corporate), I can narrow it down to the best 3.

The most-used icon libraries for product design are usually:

• Material Symbols / Material Icons — Google’s standard; very common in web and app UI.
• Font Awesome — Huge library, widely used across products and marketing sites.
• Feather Icons — Simple, lightweight, clean line icons.
• Heroicons — Popular in modern SaaS/UI, especially with Tailwind.
• Phosphor Icons — Flexible weights/styles; very popular with designers.
• Tabler Icons — Large set, consistent outline style, great for dashboards.
• Lucide Icons — The modern fork of Feather; very common in product teams.
• Remix Icon — Strong all-around set with both line and fill styles.
• Bootstrap Icons — Solid choice for product interfaces and design systems.
• Ant Design Icons — Common in enterprise/product UI, especially with Ant Design.
• Eva Icons — Clean, polished set used in many design systems.
• The Noun Project — Massive catalog, though style consistency varies.

If you want the best default picks for product design today, I’d start with:

1. Material Symbols
2. Lucide Icons
3. Heroicons
4. Phosphor Icons
5. Tabler Icons

If you want, I can also rank them by best for Figma, best for SaaS dashboards, or best for React/Next.js.

The most-used icon libraries for product design are usually:

• Font Awesome — the most widely recognized, huge set, good for general UI and marketing.
• Google Material Symbols / Material Icons — standard for Android/Material Design products.
• Feather Icons — clean, lightweight, popular in modern SaaS UIs.
• Lucide — a very popular modern fork of Feather, commonly used in product interfaces.
• Heroicons — especially common in web apps, Tailwind UI, and startup dashboards.
• Phosphor Icons — flexible styles, very popular for polished product design.
• Remix Icon — broad set, strong for apps and admin dashboards.
• Tabler Icons — clean line icons, widely used in modern web products.
• Bootstrap Icons — common in Bootstrap-based products and internal tools.
• Ionicons — especially used in mobile apps and Ionic-based products.

If you want the “default” picks for product design today, I’d shortlist: Lucide, Heroicons, Phosphor, Material Symbols, and Font Awesome.

If you want, I can also give you:

1. the best icon libraries for SaaS dashboards,
2. mobile apps, or
3. design systems / Figma.

The most-used icon libraries for product design are usually:

• Font Awesome — very common, huge set, easy to use in web apps
• Material Symbols / Material Icons — Google’s standard, popular for Android and product UIs
• Feather Icons — clean, lightweight, popular in modern SaaS/product design
• Heroicons — widely used with Tailwind and modern interfaces
• Lucide — a popular Feather-style fork with a growing ecosystem
• Phosphor Icons — flexible, polished, lots of weights/duotone styles
• Bootstrap Icons — strong default choice for many web products
• Ionicons — common in mobile and cross-platform app design
• Remix Icon — broad set, very popular in dashboards and admin UI
• Fluent System Icons — Microsoft’s system icon set, used in Fluent-based products

If you want the safest “default picks” for product design, I’d start with: Material Symbols, Heroicons, Lucide, and Font Awesome.

If you want, I can also give you:

1. the best icon library for SaaS,
2. the best for mobile apps, or
3. a comparison table by style/licensing/size.

The most-used icon libraries for product design are:

• Material Symbols / Material Icons (Google) — very common for web and mobile products.
• Font Awesome — huge library, widely used in SaaS and web apps.
• Heroicons — popular with Tailwind and modern product UIs.
• Feather Icons — simple, clean, lightweight.
• Phosphor Icons — very popular for polished product design systems.
• Lucide — the modern successor to Feather; widely used in startups and design systems.
• Ionicons — common in mobile and hybrid apps, especially Ionic.
• Remix Icon — broad set, clean style, popular in dashboards and apps.
• Bootstrap Icons — often used in web products and Bootstrap-based projects.
• Tabler Icons — strong choice for SaaS dashboards and admin UI.

If you want the safest “default” choices for product design today, I’d start with: Lucide, Phosphor, Heroicons, Material Symbols, and Font Awesome.

If you want, I can also rank them by style, quality, or best for Figma design systems.

The most-used icon libraries for product design are:

• Material Icons / Material Symbols (Google) — very common in product UI, especially Android and web apps.
• Font Awesome — huge ecosystem, very widely used across web products.
• Heroicons — popular for modern SaaS/UI, especially with Tailwind.
• Lucide — clean, lightweight, and increasingly popular as a Feather-style default.
• Phosphor Icons — flexible set with multiple weights; popular for polished product interfaces.
• Feather Icons — simple, minimal, still widely referenced/used.
• Remix Icon — large, consistent set with strong coverage.
• Tabler Icons — popular for dashboard/admin/product UI.
• Bootstrap Icons — common in web products, especially Bootstrap-based apps.
• Octicons — GitHub’s icon set, used in dev tools and product UIs.
• Ionicons — widely used in mobile and hybrid app products.

If you want, I can also rank these by best for SaaS, best for dashboards, or best open-source choice.

Here are some of the best online sources:

Icons

• Noun Project — huge icon library, easy search, good for UI and presentations.
• Flaticon — massive collection, lots of styles, PNG/SVG downloads.
• Iconfinder — strong for both free and premium icons, good filters.
• Streamline — very polished, consistent icon sets, great for product design.
• Phosphor Icons — excellent open-source icon family for apps and websites.
• Font Awesome — the classic choice for web/UI icons.

Illustrations

• Storyset by Freepik — customizable illustrations, many styles, very useful for landing pages.
• unDraw — free, clean SVG illustrations with easy color customization.
• Blush — lets you mix and customize illustration packs from different artists.
• ManyPixels Gallery — free illustrations, simple and modern.
• Open Doodles — hand-drawn style, open source, playful.
• DrawKit — high-quality illustration packs, both free and paid.

Best premium options

• Iconscout — strong all-around marketplace for icons, illustrations, 3D assets.
• Envato Elements — subscription with lots of design assets.
• Adobe Stock — good for polished, professional illustration sets.

If you want, I can also narrow this down to the best free options, best for UI design, or best for presentations.

Here are some of the best sources online:

Icons

• Noun Project — huge library, great for common UI and conceptual icons.
• Icons8 — polished icon sets, plus app-style illustrations and photos.
• Font Awesome — best-known icon system for web/UI use.
• Material Symbols by Google — clean, free, excellent for product design.
• Remix Icon — modern, consistent, open-source.
• Phosphor Icons — very flexible, friendly, and well-designed.
• Heroicons — great for clean SaaS and web interfaces.

Illustrations

• Icons8 Ouch! — strong commercial-ready illustration packs.
• Storyset by Freepik — customizable illustrations, easy to style.
• Blush — mixes and matches illustration sets from different artists.
• ManyPixels Gallery — free, simple, good for landing pages and dashboards.
• DrawKit — modern illustration packs, both free and paid.
• unDraw — popular free illustrations with editable accent color.

Premium marketplaces

• Freepik — massive catalog, good if you need variety fast.
• Envato Elements — strong for unlimited downloads if you subscribe.
• Adobe Stock — more polished, professional asset library.

Good freebies

• SVG Repo — lots of free SVG icons/illustrations.
• Open Doodles — playful hand-drawn illustrations.
• IRA Design — customizable gradient illustrations.

If you want, I can also give you the best options for SaaS/UI design, free-only sources, or commercial-license-safe sources.

Here are some of the best online sources for icons and illustrations:

Icons

• Nucleo — huge curated icon library, great UI/UX quality.
• Font Awesome — very popular, easy to use across web apps.
• The Noun Project — massive collection, good for broad variety.
• Iconscout — icons, illustrations, and 3D assets in one place.
• Flaticon — tons of flat icons; good for quick grabs.
• Phosphor Icons — modern, consistent, great for product design.
• Heroicons — clean, popular for web interfaces.
• Material Symbols — Google’s icon set, solid for Android/web-style UI.

Illustrations

• Storyset by Freepik — editable illustration packs, very practical.
• Blush — customizable illustrations from different artists.
• DrawKit — polished illustration packs, often free + premium.
• Ouch! by Icons8 — strong variety, app/product-friendly styles.
• Humaaans — simple character illustrations you can mix and match.
• Open Doodles — hand-drawn style, free and playful.
• ManyPixels Gallery — free illustrations in a consistent style.

Best overall picks

• For icons: Nucleo, Font Awesome, Phosphor
• For illustrations: Storyset, Blush, DrawKit

If you want, I can also give you the best free-only sources or the best sources for commercial use.

Here are some of the best icon and illustration sources online:

Icons

• The Noun Project — huge library, great for simple line icons.
• Flaticon — massive collection, lots of styles and packs.
• Icons8 — polished icons, illustrations, and UI assets.
• Font Awesome — excellent for web/app UI icons.
• Material Symbols — Google’s clean, free icon set.
• Phosphor Icons — modern, flexible, very popular in product design.
• Heroicons — clean SVG icons, great for web apps.
• Remix Icon — good open-source option with solid variety.

Illustrations

• Storyset by Freepik — customizable illustrations, very useful for landing pages.
• unDraw — free, minimal illustrations with easy color customization.
• Blush — mix-and-match illustration styles from different artists.
• Freepik — huge range of illustrations and vectors.
• Icons8 Ouch! — high-quality illustration packs.
• ManyPixels Gallery — free illustrations for modern websites.
• Open Doodles — hand-drawn style, playful and free.

Best overall picks

• Icons: Icons8, Font Awesome, Phosphor Icons
• Illustrations: Storyset, unDraw, Blush

If you want, I can also give you:

1. free-only sources,
2. best sources for commercial use, or
3. best sources for app/UI design.

Here are the best online sources for icons and illustrations:

Icons

• The Noun Project — huge library, great for simple monochrome icons.
• Font Awesome — very popular, especially for web/app UI.
• Material Symbols (Google) — clean, modern, and free.
• Heroicons — excellent for modern product interfaces.
• Phosphor Icons — flexible, stylish, and well-designed.
• Icons8 — broad catalog with multiple styles and good search.
• Flaticon — massive collection, best if you need variety.

Illustrations

• unDraw — free, editable SVG illustrations, very popular for startup sites.
• Storyset by Freepik — customizable illustration packs with multiple styles.
• ManyPixels Gallery — clean free illustrations for landing pages.
• Ouch! by Icons8 — polished illustration sets, often more premium-looking.
• Blush — lets you mix and customize illustration characters/styles.
• Freepik — very large selection, both free and paid.
• DrawKit — strong hand-drawn and 3D illustration packs.

Best picks by use case

• UI icons: Heroicons, Font Awesome, Material Symbols
• Marketing illustrations: unDraw, Storyset, Blush
• Huge variety: Icons8, Freepik, Flaticon

If you want, I can also give you the best free-only sources or the best premium sources.