head to head · open source
Tuta vs Stoat
Tuta has 8,110 GitHub stars, 653 forks, 1,001 open issues and last shipped 2 days ago. Stoat has 3,442 stars, 409 forks, 139 open issues and last shipped 4 days ago. Tuta leads on adoption by 136% (8,110 vs 3,442 stars). Tuta is written in TypeScript under GPL-3.0; Stoat is written in Rust under a custom or non-standard licence. Tuta has attracted 8% as many forks as stars, Stoat 12%. Tuta 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
| Tuta | Stoat | |
|---|---|---|
| GitHub stars | ★ 8.1K | ★ 3.4K |
| License | GPL-3.0 | Custom / other |
| Written in | TypeScript | Rust |
| Last push | 2026-11-03 | 2026-11-01 |
| Forks | ⑂ 653 | ⑂ 409 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Tuta if
- You weight community size — 8.1K stars and counting
- You want the GPL-3.0 license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick Stoat if
- You want the Stoat feature set and don't need the biggest community
- You prefer the Custom / other license terms
- Your stack matches Rust
- You evaluated both and Stoat fits your workflow better
About Tuta
Tuta Mail makes encryption easy Tuta Mail is the secure email service with built in end to end encryption that enables you to communicate securely with anyone on all your devices. Forum for bug reports/feature requests: Roadmap: Issue and feature tracker: Please submit your feature requests via Reddit or via support mail. Web client • iOS App Store • Desktop Client Translating Tuta See TRANSLATING.md Building See BUILDING.md. Developing Tuta See HACKING.md. Contribution policy This project does not accept contributions or bug reports produced, in part or in full, with assistance of large language models…
About Stoat
Stoat Backend The services and libraries that power the Stoat service.
read the full Stoat overview →
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Frequently asked questions
Is Tuta or Stoat more popular?
Tuta has 8,110 GitHub stars and Stoat has 3,442. Tuta has the larger community by that measure.
Are Tuta and Stoat free?
Both are open source. Tuta is licensed under GPL-3.0, and Stoat has no licence declared in this registry. Both are free to self-host.
What is the difference between Tuta and Stoat?
Tuta is written in TypeScript and Stoat 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, Tuta or Stoat?
Choose Tuta if you want the larger community (8,110 stars) or its GPL-3.0 licence terms. Choose Stoat if its feature set, stack or Custom / other licence fits better. Both are self-hostable.