HeroUI v3 (formerly NextUI) — accessible React and React Native components built on React Aria and Tailwind CSS v4, with 27.7k GitHub stars.
ReactTailwindOpen Source+2
heroui.com
Base Ui
base-ui.com
Unstyled React UI components for building accessible web apps and design systems, from the creators of Radix, Floating UI, and Material UI.
What is Base Ui?
Base UI is a comprehensive library of unstyled React components for accessible user interfaces, built by the teams behind Radix, Floating UI, and Material UI. Each component is meticulously designed for composability, consistency, and craft, with an architecture that prioritizes flexibility without imposing visual opinions. It targets teams building design systems who want full styling control while inheriting solid accessibility and reliability foundations.
Best for
- Building design systems with full styling control
- Accessible React components without visual opinions
- Composable primitives for custom UI libraries
Key features
- Unstyled, fully composable React components
- Accessibility built into every component
- From the creators of Radix and Material UI
- Comprehensive component library
- Thorough documentation and examples
Related resources
heroui.com
A free, open-source React component library built on Base UI, styled with Tailwind, animated with Motion — 70+ polished components for humans and AI agents.
ReactTailwindDesign Systems+3
appica.dev
Free, open-source React micro-interaction components for the half-second after a click — copy the TypeScript source; the behavior is finished, the style is yours.
ReactAnimationOpen Source+2
interior.dev