Source: https://seerepo.com/compare/shadcn-ui/ui/vs/signalapp/Signal-Desktop
Markdown source: https://seerepo.com/compare/shadcn-ui/ui/vs/signalapp/Signal-Desktop.md
Description: ui and Signal-Desktop share 8 technologies: React, lru-cache, Vite, TanStack, Tailwind CSS, Radix UI, motion, and Zod. Both are written in TypeScript.

# ui vs Signal-Desktop

ui and Signal-Desktop share 8 technologies: React, lru-cache, Vite, TanStack, Tailwind CSS, Radix UI, motion, and Zod. Both are written in TypeScript.

- [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.
- [signalapp/Signal-Desktop](https://seerepo.com/r/signalapp/Signal-Desktop): A private messenger for Windows, macOS, and Linux.

## What they share and what sets them apart

- In common: React, lru-cache, Vite, TanStack, Tailwind CSS, Radix UI, motion, Zod
- Only in ui: Next.js, Vercel, MCP, React Router, cn, class-variance-authority, next-themes, recharts, Base UI, sonner, react-resizable-panels, embla-carousel-react, react-day-picker, cmdk, dnd-kit, vaul, React Hook Form, Lucide, hugeicons, @tabler/icons-react, @phosphor-icons/react, @remixicon/react, ai, @ai-sdk/react, shiki, streamdown, unist-util-visit, tailwindcss-animate, PostCSS, geist, prompts, ora
- Only in Signal-Desktop: Electron, micro, classnames, postcss-selector-parser, PurgeCSS, react-aria, react-aria-components, @react-spring/web, fabric, react-popper, @popperjs/core, react-virtualized, react-blurhash, enquirer, blueimp-load-image, linkify-it, blurhash, mediabunny, qrcode-generator, heic-convert, js-yaml, mp4box, pixelmatch, pngjs, pino

## Side by side

| | ui | Signal-Desktop |
|---|---|---|
| Size | 636,496 lines written, 3,892 code files | 625,962 lines written, 2,593 code files |
| Who writes it | 3% of its commits signed by AI. With Claude Code, Cursor, GitHub Copilot, Codex, and Devin | 0% of its commits signed by AI |
| Activity | Last push November 4, 2026, 2,298 commits, 127,326 stars | Last push November 5, 2026, 13,633 commits, 16,654 stars |
| Tests | 415 test files. 3.8% of its code files have a test that imports them | 145 test files. 4.1% 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, ui or Signal-Desktop?

ui, with 636,496 lines written; Signal-Desktop has 625,962.

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

### Which has more GitHub stars, ui or Signal-Desktop?

ui, with 127,326 stars; Signal-Desktop has 16,654.

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

### Which has more tests, ui or Signal-Desktop?

ui, with 415 test files; Signal-Desktop has 145.

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

### Which was updated more recently, ui or Signal-Desktop?

Signal-Desktop: its last push was on November 5, 2026, and ui's on November 4, 2026.

The proof: [signalapp/Signal-Desktop's commits on GitHub](https://github.com/signalapp/Signal-Desktop/commits)

### Which has more commits signed by AI, ui or Signal-Desktop?

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

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

## Sources

- shadcn-ui/ui: Read on November 4, 2026, at commit 8a35366 (https://github.com/shadcn-ui/ui/tree/8a3536678a528cc012b9e62484290e79d0be410f)
- signalapp/Signal-Desktop: Read on November 7, 2026, at commit 5d1bbb7 (https://github.com/signalapp/Signal-Desktop/tree/5d1bbb7ee231b35cb9cc8cc449ffb819c528efc8)

## 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.