Shadcn GitHub Repositories (2026) · Open Source Tools

Composable, accessible components with thoughtful defaults. Build your own component library with code you can customize, extend, and make your own.

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.

A design system for AI applications. Material, physical, tactile, technical.

Six isometric line figures that answer the pointer. For React and for anything with a DOM.

An agent-first linter for Tailwind design systems. Write design system rules that agents can verify.

A curated list of awesome things related to shadcn/ui.

Typescript/React Library for AI Chat 💬🚀

cn is a new engine for Tailwind class merging and conflict resolution. It replaces tailwind-merge and clsx. Same APIs. Full parity. And it is 30× faster.

Arc Library: free, open source React components with calm motion. Copy the code or install with the shadcn CLI.

Machine learning powered Karaoke app (with scores!)

A pixel-perfect dev portfolio and shadcn registry.

Open-source design-method engine for Claude Code, Codex & Cursor. 23 agent skills for fixed design judgment, multiple grammars, semantic palettes, reference compilation, and evidence-verified UI. MIT.

The design system studio for humans and agents.

Production-ready file uploads, built for shadcn. Blocks, hooks and an upload engine for S3, R2, Cloudinary and more.

coss.com/ui is the official design system of Cal.com

Premium React components you install with shadcn. Styled by your theme, yours to change. Free and open source.

A components library built with Tailwind CSS that works with any web stack.

Production-ready animations, transitions, backgrounds, and scenes for Remotion

A shadcn registry of Remotion components for product demo videos. Install a text reveal, device frame, terminal session, logo sting or a whole scene with a command.

Orange is a Shadcn Admin UI built with Shadcn, Vite, React, Zustand, and React Router.