Radix UI, React component library is the open-source toolkit that enables accessible, robust UIs. Built for frontend developers building modern apps and design systems, it combines fully unstyled, headless primitives with strict WAI-ARIA accessibility so you can craft complex, inclusive interfaces with complete styling freedom, while consistent API design and cross-browser rigor enable scalable component logic without vendor lock-in. Radix UI’s focus on composability and control lets you theme and extend every element to match exact brand requirements—no mandatory opinions, no default styles to override. Trusted by developer teams at Vercel and Supabase, and with 20,000+ GitHub stars, this open-source toolkit ensures every project maintains accessibility, faster development cycles, and long-term maintainability regardless of growth or technology changes.
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Origin UI Origin UI, React Tailwind components is the open-source library that simplifies every build. 500+ copy-paste blocks, weekly updates, 5,000+ GitHub stars. originui.com -
UIverse Uiverse is the largest open-source UI library with over 3,000 free, customizable UI elements for CSS, Tailwind, React, and Figma. Community driven, MIT. uiverse.io -
CSS Buttons CSSButtons.io offers the largest library of open-source CSS buttons and UI elements. Easily customize and copy code for your next frontend project. cssbuttons.io -
Reverse UI Reverse UI offers premium animated React components for modern web apps. 50+ pre-built, fully styled, and easy-to-integrate components with frictionless. reverseui.com -
PatternCraft Pattern Craft, CSS Tailwind background patterns & gradients library offers 100+ modern, responsive designs. Easily copy paste for stunning websites. patterncraft.fun -
Keep Design Keep Design System, Figma and React UI kit is the comprehensive toolkit that unifies design and dev workflows. Rapid build, 5/5 Product Hunt from 60. keepdesign.io
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