Source: https://seerepo.com/compare/Automattic/harper/vs/farion1231/cc-switch
Markdown source: https://seerepo.com/compare/Automattic/harper/vs/farion1231/cc-switch.md
Description: harper and cc-switch share 9 technologies: Tokio, Tauri, @tauri-apps/api, objc2-app-kit, objc2-foundation, React, zip, Tailwind CSS, and CodeMirror. Both are written in Rust.

# harper vs cc-switch

harper and cc-switch share 9 technologies: Tokio, Tauri, @tauri-apps/api, objc2-app-kit, objc2-foundation, React, zip, Tailwind CSS, and CodeMirror. Both are written in Rust.

- [Automattic/harper](https://seerepo.com/r/Automattic/harper): Offline, privacy-first grammar checker. Fast, open-source, Rust-powered
- [farion1231/cc-switch](https://seerepo.com/r/farion1231/cc-switch): A cross-platform desktop All-in-One assistant for Claude Code, Codex, OpenCode,DeepSeek Harness and more. Only official website: ccswitch.io

## What they share and what sets them apart

- In common: Tokio, Tauri, @tauri-apps/api, objc2-app-kit, objc2-foundation, React, zip, Tailwind CSS, CodeMirror
- Only in harper: cached, lru, SvelteKit, Svelte, egui, lru-cache, PostHog, pulldown-cmark, ammonia, Fastlane, tracing, tracing-subscriber, tracing-wasm, winit, core-graphics, egui-wgpu, egui-winit, uiautomation, @fortawesome/free-solid-svg-icons, quill, marked, Font Awesome, @docsearch/css, Chart.js, @docsearch/js, brace, typed.js, Drizzle, drizzle-zod
- Only in cc-switch: Vite, axum, rusqlite, SQLite, class-variance-authority, @codemirror/theme-one-dark, tailwind-merge, Radix UI, React Hook Form, dnd-kit, Framer, tauri-plugin-dialog, @tanstack/react-virtual, recharts, sonner, cmdk, tauri-plugin-window-state, Lucide, rmcp, yaml, @hookform/resolvers, Zod, log, tauri-apps, tauri-plugin-log

## Side by side

| | harper | cc-switch |
|---|---|---|
| Size | 180,779 lines written, 944 code files | 564,219 lines written, 821 code files |
| Who writes it | 0.5% of its commits signed by AI. With Claude Code and Mistral Vibe | 1.7% of its commits signed by AI. With Claude Code, GitHub Copilot, and Cursor |
| Activity | Last push November 6, 2026, 4,193 commits, 17,449 stars | Last push November 4, 2026, 3,432 commits, 151,729 stars |
| Tests | 112 test files. 1.6% of its code files have a test that imports them | 319 test files. 37.3% 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, harper or cc-switch?

cc-switch, with 564,219 lines written; harper has 180,779.

The proof: [farion1231/cc-switch's code at commit e217bfc](https://github.com/farion1231/cc-switch/tree/e217bfcbbbbbf82f4619ab62f08fb002635b7858)

### Which has more GitHub stars, harper or cc-switch?

cc-switch, with 151,729 stars; harper has 17,449.

The proof: [farion1231/cc-switch on GitHub](https://github.com/farion1231/cc-switch)

### Which has more tests, harper or cc-switch?

cc-switch, with 319 test files; harper has 112.

The proof: [farion1231/cc-switch's code at commit e217bfc](https://github.com/farion1231/cc-switch/tree/e217bfcbbbbbf82f4619ab62f08fb002635b7858)

### Which was updated more recently, harper or cc-switch?

harper: its last push was on November 6, 2026, and cc-switch's on November 4, 2026.

The proof: [Automattic/harper's commits on GitHub](https://github.com/Automattic/harper/commits)

### Which has more commits signed by AI, harper or cc-switch?

cc-switch: an AI signed 1.7% of its commits, with Claude Code, GitHub Copilot, and Cursor; in harper, 0.5%.

The proof: [the commits each tool signed in farion1231/cc-switch](https://seerepo.com/r/farion1231/cc-switch/ai)

## Sources

- Automattic/harper: Read on November 6, 2026, at commit d52aeac (https://github.com/Automattic/harper/tree/d52aeac0a6de1cdb030b231705ab7e7e4e12e197)
- farion1231/cc-switch: Read on November 4, 2026, at commit e217bfc (https://github.com/farion1231/cc-switch/tree/e217bfcbbbbbf82f4619ab62f08fb002635b7858)

## 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.