head to head · open source
T3 Code vs Tabby
T3 Code has 41,350 GitHub stars, 9,068 forks, 1,628 open issues and last shipped yesterday. Tabby has 33,921 stars, 1,793 forks, 335 open issues and last shipped 4 months ago. T3 Code leads on adoption by 22% (41,350 vs 33,921 stars). T3 Code is written in TypeScript under MIT; Tabby is written in Rust under a custom or non-standard licence. T3 Code has attracted 22% as many forks as stars, Tabby 5%. T3 Code was the more recently maintained of the two, and both are self-hostable with no licence fee.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| T3 Code | Tabby | |
|---|---|---|
| GitHub stars | ★ 41K | ★ 34K |
| License | MIT | Custom / other |
| Written in | TypeScript | Rust |
| Last push | 2026-11-02 | 2026-06-30 |
| Forks | ⑂ 9.1K | ⑂ 1.8K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick T3 Code if
- You weight community size — 41K stars and counting
- You want the MIT license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick Tabby if
- You want the Tabby feature set and don't need the biggest community
- You prefer the Custom / other license terms
- Your stack matches Rust
- You evaluated both and Tabby fits your workflow better
About T3 Code
T3 Code T3 Code is an "agent harness control surface". It enables control of the agents on your machine with a best in class mobile app (iOS, Android), web app and Electron based desktop app. Works with your subscriptions on Claude Code, Codex, Cursor, Grok Build, OpenCode, and Google Antigravity. If they're set up on your computer, T3 Code can control them. "Wait, what are you selling me?" Nothing. We built T3 Code because we wanted the best possible development experience with agents. We were inspired by existing solutions like the Codex desktop app, Conductor, Claude Desktop and Cursor Glass, but none met our…
read the full T3 Code overview →
About Tabby
🐾 Tabby 📚 Docs • 💬 Slack • 🗺️ Roadmap English 简体中文 日本語 Tabby is a self hosted AI coding assistant, offering an open source and on premises alternative to GitHub Copilot. It boasts several key features: Self contained, with no need for a DBMS or cloud service. OpenAPI interface, easy to integrate with existing infrastructure (e.g Cloud IDE). Supports consumer grade GPUs. 🔥 What's New 12/12/2025 Get your GitHub issues implemented by connecting them to Pochi tasks and create PRs directly from the sidebar with a breakdown of CI/Lint/Test results vscode@0.20.0. 07/02/2025 v0.30 supports indexing GitLab Merge…
read the full Tabby overview →
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Frequently asked questions
Is T3 Code or Tabby more popular?
T3 Code has 41,350 GitHub stars and Tabby has 33,921. T3 Code has the larger community by that measure.
Are T3 Code and Tabby free?
Both are open source. T3 Code is licensed under MIT, and Tabby has no licence declared in this registry. Both are free to self-host.
What is the difference between T3 Code and Tabby?
T3 Code is written in TypeScript and Tabby in Rust. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, T3 Code or Tabby?
Choose T3 Code if you want the larger community (41,350 stars) or its MIT licence terms. Choose Tabby if its feature set, stack or Custom / other licence fits better. Both are self-hostable.