Source: https://seerepo.com/compare/CapSoftware/Cap/vs/shadcn-ui/ui
Markdown source: https://seerepo.com/compare/CapSoftware/Cap/vs/shadcn-ui/ui.md
Description: Cap and ui share 16 technologies: Vite, React, Next.js, MCP, Tailwind CSS, class-variance-authority, Radix UI, Lucide, Zod, sonner, motion, React Hook Form, recharts, ai, cmdk, and Vercel. Cap is written in Rust and ui in TypeScript.

# Cap vs ui

Cap and ui share 16 technologies: Vite, React, Next.js, MCP, Tailwind CSS, class-variance-authority, Radix UI, Lucide, Zod, sonner, motion, React Hook Form, recharts, ai, cmdk, and Vercel. Cap is written in Rust and ui in TypeScript.

- [CapSoftware/Cap](https://seerepo.com/r/CapSoftware/Cap): Open source Loom alternative. Beautiful, shareable screen recordings.
- [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, Next.js, MCP, Tailwind CSS, class-variance-authority, Radix UI, Lucide, Zod, sonner, motion, React Hook Form, recharts, ai, cmdk, Vercel
- Only in Cap: axum, Tokio, objc2-app-kit, objc2-foundation, GitHub, Hono, react-native, Expo, expo-secure-store, Redis, @aws-sdk/s3-request-presigner, Sentry, Stripe, Anthropic, OpenAI, MySQL, Resend, AWS S3, metal, softbuffer, winit, ash, keyring, image, resvg, schemars, tracing, tracing-subscriber, log, tracing-appender, tailwind-merge, global-hotkey, rfd, objc2-quartz-core, tray-icon, jose, valibot, react-native-reanimated, expo-image, react-native-safe-area-context, react-native-svg, expo-glass-effect, react-native-gesture-handler, expo-camera, Shopify, expo-image-picker, expo-document-picker, Framer, @uidotdev/usehooks, canvas-confetti, react-tweet, fortawesome, Drizzle, next-auth, react-markdown, remark-gfm, dompurify, @hookform/resolvers, @effect/opentelemetry, @react-email/components, @aws-sdk/credential-providers
- Only in ui: lru-cache, React Router, TanStack, cn, next-themes, Base UI, react-resizable-panels, embla-carousel-react, react-day-picker, dnd-kit, vaul, hugeicons, @tabler/icons-react, @phosphor-icons/react, @remixicon/react, @ai-sdk/react, shiki, streamdown, unist-util-visit, tailwindcss-animate, PostCSS, geist, prompts, ora

## Side by side

| | Cap | ui |
|---|---|---|
| Size | 1,176,626 lines written, 2,208 code files | 636,496 lines written, 3,892 code files |
| Who writes it | 7.9% of its commits signed by AI. With Cursor, Codex, Claude Code, CodeRabbit, GitHub Copilot, and Devin | 3% of its commits signed by AI. With Claude Code, Cursor, GitHub Copilot, Codex, and Devin |
| Activity | Last push November 4, 2026, 10,666 commits, 24,340 stars | Last push November 4, 2026, 2,298 commits, 127,326 stars |
| Tests | 687 test files. 32.3% 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, Cap or ui?

Cap, with 1,176,626 lines written in 2,208 code files; ui has 636,496 in 3,892.

The proof: [CapSoftware/Cap's code at commit 81ef0e4](https://github.com/CapSoftware/Cap/tree/81ef0e4bcd950cd7f9cad098e0bcfff5cc1eee8e)

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

ui, with 127,326 stars; Cap has 24,340.

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

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

Cap, with 687 test files; ui has 415.

The proof: [CapSoftware/Cap's code at commit 81ef0e4](https://github.com/CapSoftware/Cap/tree/81ef0e4bcd950cd7f9cad098e0bcfff5cc1eee8e)

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

Both got their last push on November 4, 2026.

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

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

Cap: an AI signed 7.9% of its commits, with Cursor, Codex, Claude Code, CodeRabbit, GitHub Copilot, and Devin; in ui, 3%.

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

## Sources

- CapSoftware/Cap: Read on November 4, 2026, at commit 81ef0e4 (https://github.com/CapSoftware/Cap/tree/81ef0e4bcd950cd7f9cad098e0bcfff5cc1eee8e)
- 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.