Best Icon & Illustration Sites Every Developer Should Bookmark 🎨

Whether you're building a landing page, designing a dashboard, or shipping your next indie app — high-quality icons and illustrations can instantly elevate your UI.

Here are 5 go-to resources that every developer and designer should have in their toolbox:

1. Heroicons

URL: https://heroicons.com

Clean, minimal SVG icons brought to you by the makers of Tailwind CSS. These icons are perfect for modern UIs, especially if you're working with Tailwind, React, or Vue.

✅ Free
✅ Open Source
✅ Optimized for interfaces

2. Claybees.art – Clay-Style Icons & Illustrations

URL: https://claybees.art

A unique library of handcrafted clay-style icons and illustrations — perfect for modern UIs that need a playful yet premium vibe. The assets are available in PNG and JPG formats and work well in landing pages, onboarding screens, and social visuals.

✅ Clay-themed
✅ Developer & designer friendly
✅ Lightweight and easy to integrate

📌 Bonus: There’s a growing collection of assets, and the UI is built for speed and simplicity.

3. Undraw

URL: https://undraw.co/illustrations

An evergreen favorite. Undraw offers a massive collection of open-source SVG illustrations that you can customize in color and scale without attribution.

✅ Vector-based
✅ Color customization
✅ Perfect for onboarding and marketing

4. Lucide Icons

URL: https://lucide.dev

A beautiful evolution of Feather icons — Lucide offers an expanded library with sharp, consistent SVG icons. Excellent for dev dashboards, tools, and mobile UIs.

✅ Community-driven
✅ Customizable stroke
✅ Works well with icon libraries like React Native Vector Icons

5. OpenPeeps

URL: https://www.openpeeps.com

A playful illustration library of hand-drawn characters. Ideal for story-driven interfaces or apps with a fun, casual tone.

✅ Free for commercial use
✅ Mix & match parts
✅ Sketch, Figma, SVG support

✨ Final Thoughts

Icons and illustrations aren't just decorative — they communicate intent, improve usability, and create emotional connection. With these 5 tools, you’ll be ready to ship polished designs faster.

And if you're looking for something handcrafted, colorful, and 3D — definitely check out Claybees.art. It's a refreshing take on design assets that stand out. 🐝