Source: https://seerepo.com/compare/DavidHDev/react-bits/vs/shadcn-ui/ui
Markdown source: https://seerepo.com/compare/DavidHDev/react-bits/vs/shadcn-ui/ui.md
Description: react-bits and ui share 9 technologies: Vite, React, Tailwind CSS, next-themes, motion, sonner, hugeicons, Lucide, and shiki. react-bits is written in JavaScript and ui in TypeScript.

# react-bits vs ui

react-bits and ui share 9 technologies: Vite, React, Tailwind CSS, next-themes, motion, sonner, hugeicons, Lucide, and shiki. react-bits is written in JavaScript and ui in TypeScript.

- [DavidHDev/react-bits](https://seerepo.com/r/DavidHDev/react-bits): The largest open-source library of animated, interactive, and customizable React & Next.js components for building standout web products and experiences. Built for humans and AI agents.
- [shadcn-ui/ui](https://seerepo.com/r/shadcn-ui/ui): Composable, accessible components with thoughtful defaults. Build your own component library with code you can customize, extend, and make your own.

## What they share and what sets them apart

- In common: Vite, React, Tailwind CSS, next-themes, motion, sonner, hugeicons, Lucide, shiki
- Only in react-bits: react-router-dom, GSAP, ogl, Chakra UI, three, @use-gesture/react, react-three, react-virtualized, react-icons, mediabunny, gifenc
- Only in ui: Next.js, lru-cache, Vercel, MCP, React Router, TanStack, cn, class-variance-authority, recharts, Radix UI, Base UI, react-resizable-panels, embla-carousel-react, react-day-picker, cmdk, dnd-kit, vaul, React Hook Form, @tabler/icons-react, @phosphor-icons/react, @remixicon/react, ai, @ai-sdk/react, streamdown, unist-util-visit, Zod, tailwindcss-animate, PostCSS, geist, prompts, ora

## Side by side

| | react-bits | ui |
|---|---|---|
| Size | 791,198 lines written, 2,231 code files | 636,496 lines written, 3,892 code files |
| Who writes it | 2.5% of its commits signed by AI. With GitHub Copilot, Codex, and Claude Code | 3% of its commits signed by AI. With Claude Code, Cursor, GitHub Copilot, Codex, and Devin |
| Activity | Last push October 31, 2026, 1,411 commits, 51,315 stars | Last push November 4, 2026, 2,298 commits, 127,326 stars |
| Tests | 7 test files. 0.3% of its code files have a test that imports them | 415 test files. 3.8% of its code files have a test that imports them |

- Size: Lines written by people and agents, without generated ones; code files, without tests.
- Who writes it: A commit counts as AI's when it carries its signature: a Co-Authored-By line, its author name or the merge of its branch.
- Activity: From GitHub and its history, on the day SeeRepo read it.
- Tests: The files that test the code, and the share of code files a test imports.

## Frequently asked questions

### Which is bigger, react-bits or ui?

react-bits, with 791,198 lines written; ui has 636,496.

The proof: [DavidHDev/react-bits's code at commit 4dc7b5b](https://github.com/DavidHDev/react-bits/tree/4dc7b5b7772e1217c8fb8d2a7aa074302180e5b4)

### Which has more GitHub stars, react-bits or ui?

ui, with 127,326 stars; react-bits has 51,315.

The proof: [shadcn-ui/ui on GitHub](https://github.com/shadcn-ui/ui)

### Which has more tests, react-bits or ui?

ui, with 415 test files; react-bits has 7.

The proof: [shadcn-ui/ui's code at commit 8a35366](https://github.com/shadcn-ui/ui/tree/8a3536678a528cc012b9e62484290e79d0be410f)

### Which was updated more recently, react-bits or ui?

ui: its last push was on November 4, 2026, and react-bits's on October 31, 2026.

The proof: [shadcn-ui/ui's commits on GitHub](https://github.com/shadcn-ui/ui/commits)

### Which has more commits signed by AI, react-bits or ui?

ui: an AI signed 3% of its commits, with Claude Code, Cursor, GitHub Copilot, Codex, and Devin; in react-bits, 2.5%.

The proof: [the commits each tool signed in shadcn-ui/ui](https://seerepo.com/r/shadcn-ui/ui/ai)

## Sources

- DavidHDev/react-bits: Read on November 5, 2026, at commit 4dc7b5b (https://github.com/DavidHDev/react-bits/tree/4dc7b5b7772e1217c8fb8d2a7aa074302180e5b4)
- shadcn-ui/ui: Read on November 4, 2026, at commit 8a35366 (https://github.com/shadcn-ui/ui/tree/8a3536678a528cc012b9e62484290e79d0be410f)

## What is your repo built with?

Any public repo, with no account: https://seerepo.com/r/owner/repo/built, with the owner and name it has on GitHub.