React Components GitHub Repositories (2026) · Open Source Tools

UI for AI agents. React components for what agents do – agent trees, tool calls, traces, handoffs and approvals – and for the rest of your app. One file each, install with shadcn or via MCP. Free and open source.

Unstyled UI components for building accessible web apps and design systems. From the creators of Radix, Floating UI, and Material UI.

A collection of libraries and tools that help you build adaptive, accessible, and robust user experiences.

🧱 A suite of React components .

Material UI: Comprehensive React component library that implements Google's Material Design. Free forever.

Cross-platform React UI packages

JavaScript Testing utilities for React

🌍 📖 A readable, automated, and optimized (2 kb) internationalization for JavaScript

Search UI components for React and Vue

A package containing a few micro-interactions you can use to reward your users for little things and make them smile!

The React component library for startups, built with Chakra UI.

A set of React components for the PatternFly project.

A design system by Contentful

shadcn/ui components, hooks and AI blocks built on Base UI, with loading, error, empty and other hard states handled.

💎 An accessible, theme-ready design system built for learning applications and Open edX.

Tonic UI is a UI component library for React, built with Emotion and Styled System. It is designed to be easy to use and easy to customize.

Open-source React UI components for developers and AI agents. Typed APIs, design tokens, and source code you can customize.

Talend's unified web UI repository. Status: Maintenance

🍰 Lightweight but versatile SVG pie/donut charts for React. < 2kB gzipped.