Source: https://seerepo.com/compare/CapSoftware/Cap/vs/longbridge/gpui-kit
Markdown source: https://seerepo.com/compare/CapSoftware/Cap/vs/longbridge/gpui-kit.md
Description: Cap and gpui-kit share 9 technologies: objc2-app-kit, objc2-foundation, image, resvg, schemars, tracing, tracing-subscriber, log, and Tailwind CSS. Both are written in Rust.

# Cap vs gpui-kit

Cap and gpui-kit share 9 technologies: objc2-app-kit, objc2-foundation, image, resvg, schemars, tracing, tracing-subscriber, log, and Tailwind CSS. Both are written in Rust.

- [CapSoftware/Cap](https://seerepo.com/r/CapSoftware/Cap): Open source Loom alternative. Beautiful, shareable screen recordings.
- [longbridge/gpui-kit](https://seerepo.com/r/longbridge/gpui-kit): Rust GUI components for building fantastic cross-platform desktop application by using GPUI.

## What they share and what sets them apart

- In common: objc2-app-kit, objc2-foundation, image, resvg, schemars, tracing, tracing-subscriber, log, Tailwind CSS
- Only in Cap: axum, Tokio, Vite, React, GitHub, Hono, react-native, Expo, expo-secure-store, Next.js, Redis, @aws-sdk/s3-request-presigner, Sentry, Stripe, MCP, Anthropic, OpenAI, MySQL, Resend, AWS S3, metal, softbuffer, winit, ash, keyring, tracing-appender, class-variance-authority, tailwind-merge, Radix UI, Lucide, global-hotkey, rfd, objc2-quartz-core, tray-icon, jose, valibot, Zod, 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, sonner, motion, Framer, @uidotdev/usehooks, React Hook Form, canvas-confetti, react-tweet, recharts, fortawesome, Drizzle, next-auth, ai, react-markdown, remark-gfm, dompurify, @hookform/resolvers, @effect/opentelemetry, @react-email/components, cmdk, @aws-sdk/credential-providers, Vercel
- Only in gpui-kit: gpui-kit, gpui, smol, core-text, two-face, gpui_platform, core-graphics, gtk, wayland-client, markdown, html5ever, usvg, csv, console_log, tracing-wasm

## Side by side

| | Cap | gpui-kit |
|---|---|---|
| Size | 1,176,626 lines written, 2,208 code files | 468,220 lines written, 761 code files |
| Who writes it | 7.9% of its commits signed by AI. With Cursor, Codex, Claude Code, CodeRabbit, GitHub Copilot, and Devin | 21.2% of its commits signed by AI. With Claude Code, Codex, GitHub Copilot, and Cursor |
| Activity | Last push November 4, 2026, 10,666 commits, 24,340 stars | Last push November 5, 2026, 2,782 commits, 19,430 stars |
| Tests | 687 test files. 32.3% of its code files have a test that imports them | 152 test files. 10.8% 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 gpui-kit?

Cap, with 1,176,626 lines written; gpui-kit has 468,220.

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

### Which has more GitHub stars, Cap or gpui-kit?

Cap, with 24,340 stars; gpui-kit has 19,430.

The proof: [CapSoftware/Cap on GitHub](https://github.com/CapSoftware/Cap)

### Which has more tests, Cap or gpui-kit?

Cap, with 687 test files; gpui-kit has 152.

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

### Which was updated more recently, Cap or gpui-kit?

gpui-kit: its last push was on November 5, 2026, and Cap's on November 4, 2026.

The proof: [longbridge/gpui-kit's commits on GitHub](https://github.com/longbridge/gpui-kit/commits)

### Which has more commits signed by AI, Cap or gpui-kit?

gpui-kit: an AI signed 21.2% of its commits, with Claude Code, Codex, GitHub Copilot, and Cursor; in Cap, 7.9%.

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

## Sources

- CapSoftware/Cap: Read on November 4, 2026, at commit 81ef0e4 (https://github.com/CapSoftware/Cap/tree/81ef0e4bcd950cd7f9cad098e0bcfff5cc1eee8e)
- longbridge/gpui-kit: Read on November 6, 2026, at commit b2aaa3e (https://github.com/longbridge/gpui-kit/tree/b2aaa3e5f9a387dea74981586bfca33e7e08420d)

## 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.