head to head · open source
prettier vs Tabby
prettier has 52,405 GitHub stars, 5,023 forks, 1,462 open issues and last shipped yesterday. Tabby has 33,921 stars, 1,793 forks, 335 open issues and last shipped 4 months ago. prettier leads on adoption by 54% (52,405 vs 33,921 stars). prettier is written in JavaScript under MIT; Tabby is written in Rust under a custom or non-standard licence. prettier has attracted 10% as many forks as stars, Tabby 5%. prettier 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
| prettier | Tabby | |
|---|---|---|
| GitHub stars | ★ 52K | ★ 34K |
| License | MIT | Custom / other |
| Written in | JavaScript | Rust |
| Last push | 2026-11-02 | 2026-06-30 |
| Forks | ⑂ 5.0K | ⑂ 1.8K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick prettier if
- You weight community size — 52K stars and counting
- You want the MIT license terms
- Your stack matches JavaScript
- 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 prettier
Opinionated Code Formatter JavaScript · TypeScript · Flow · JSX · JSON CSS · SCSS · Less HTML · Vue · Angular GraphQL · Markdown · YAML Your favorite language? Intro Prettier is an opinionated code formatter. It enforces a consistent style by parsing your code and re printing it with its own rules that take the maximum line length into account, wrapping code when necessary. Input Output Prettier can be run in your editor on save, in a pre commit hook, or in CI environments to ensure your codebase has a consistent style without devs ever having to post a nit picky comment on a code review ever again!…
read the full prettier 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 prettier or Tabby more popular?
prettier has 52,405 GitHub stars and Tabby has 33,921. prettier has the larger community by that measure.
Are prettier and Tabby free?
Both are open source. prettier is licensed under MIT, and Tabby has no licence declared in this registry. Both are free to self-host.
What is the difference between prettier and Tabby?
prettier is written in JavaScript 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, prettier or Tabby?
Choose prettier if you want the larger community (52,405 stars) or its MIT licence terms. Choose Tabby if its feature set, stack or Custom / other licence fits better. Both are self-hostable.