Source: https://seerepo.com/compare/fuma-nama/fumadocs/vs/shadcn-ui/ui
Markdown source: https://seerepo.com/compare/fuma-nama/fumadocs/vs/shadcn-ui/ui.md
Description: fumadocs and ui share 19 technologies: React, Vite, Next.js, React Router, TanStack, MCP, cn, Base UI, Lucide, @ai-sdk/react, ai, Tailwind CSS, class-variance-authority, next-themes, motion, shiki, Zod, Radix UI, and postcss-selector-parser. Both are written in TypeScript.

# fumadocs vs ui

fumadocs and ui share 19 technologies: React, Vite, Next.js, React Router, TanStack, MCP, cn, Base UI, Lucide, @ai-sdk/react, ai, Tailwind CSS, class-variance-authority, next-themes, motion, shiki, Zod, Radix UI, and postcss-selector-parser. Both are written in TypeScript.

- [fuma-nama/fumadocs](https://seerepo.com/r/fuma-nama/fumadocs): The beautiful & flexible React.js docs framework.
- [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: React, Vite, Next.js, React Router, TanStack, MCP, cn, Base UI, Lucide, @ai-sdk/react, ai, Tailwind CSS, class-variance-authority, next-themes, motion, shiki, Zod, Radix UI, postcss-selector-parser
- Only in fumadocs: Astro, @astrojs/react, waku, meilisearch, Hono, Sanity, remark, remark-gfm, remark-rehype, remend, satteri, @astrojs/markdown-satteri, yaml, json-schema-typed, react-remove-scroll, scroll-into-view-if-needed, react-medium-image-zoom, takumi-js, @clack/prompts, @content-collections/core, unified, @standard-schema/spec, @pierre/highlights, mdast-util-mdx, vfile, remark-mdx, remark-directive, @shikijs/transformers, hast-util-to-jsx-runtime, micromark, micromark-extension-gfm-table, rehype-raw, rehype-stringify, hast-util-from-html, mdast-util-from-markdown, micromark-extension-mdxjs-esm, unist-util-remove-position, remark-parse, @hono/node-server, @scalar/api-client-react, xml-js, beautiful-mermaid, OpenRouter, katex, rehype-katex, remark-math, @portabletext/react, next-sanity, shadcn, react-error-boundary, mdast-util-to-hast
- Only in ui: fumadocs-core, lru-cache, Vercel, SQLite, recharts, react-aria-components, sonner, react-resizable-panels, embla-carousel-react, input-otp, react-day-picker, cmdk, dnd-kit, vaul, React Hook Form, hugeicons, @tabler/icons-react, @phosphor-icons/react, @remixicon/react, react-qr-code, streamdown, front-matter, unist-util-visit, PostCSS, prompts, ora

## Side by side

| | fumadocs | ui |
|---|---|---|
| Size | 185,442 lines written, 1,237 code files | 636,360 lines written, 3,888 code files |
| Who writes it | 0.1% of its commits signed by AI. With Claude Code and Cursor | 2.9% of its commits signed by AI. With Claude Code, Cursor, GitHub Copilot, Codex, and Devin |
| Activity | Last push November 9, 2026, 5,514 commits, 13,581 stars | Last push November 8, 2026, 2,308 commits, 127,657 stars |
| Tests | 197 test files. 21.1% 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, fumadocs or ui?

ui, with 636,360 lines written; fumadocs has 185,442.

The proof: [shadcn-ui/ui's code at commit 8ab2771](https://github.com/shadcn-ui/ui/tree/8ab27715521cbd4f87ae6886cd989cbb678f6de7)

### Which has more GitHub stars, fumadocs or ui?

ui, with 127,657 stars; fumadocs has 13,581.

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

### Which has more tests, fumadocs or ui?

ui, with 415 test files; fumadocs has 197.

The proof: [shadcn-ui/ui's code at commit 8ab2771](https://github.com/shadcn-ui/ui/tree/8ab27715521cbd4f87ae6886cd989cbb678f6de7)

### Which was updated more recently, fumadocs or ui?

fumadocs: its last push was on November 9, 2026, and ui's on November 8, 2026.

The proof: [fuma-nama/fumadocs's commits on GitHub](https://github.com/fuma-nama/fumadocs/commits)

### Which has more commits signed by AI, fumadocs or ui?

ui: an AI signed 2.9% of its commits, with Claude Code, Cursor, GitHub Copilot, Codex, and Devin; in fumadocs, 0.1%.

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

## Sources

- fuma-nama/fumadocs: Read on November 9, 2026, at commit ff83733 (https://github.com/fuma-nama/fumadocs/tree/ff837337aca13c42a859b507f31461584c56a87b)
- shadcn-ui/ui: Read on November 9, 2026, at commit 8ab2771 (https://github.com/shadcn-ui/ui/tree/8ab27715521cbd4f87ae6886cd989cbb678f6de7)

## 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.