head to head · open source
Tuta vs Phase
Tuta has 8,110 GitHub stars, 653 forks, 1,001 open issues and last shipped 2 days ago. Phase has 944 stars, 78 forks, 78 open issues and last shipped 2 days ago. Tuta leads on adoption by 759% (8,110 vs 944 stars). Tuta is written in TypeScript under GPL-3.0; Phase is written in TypeScript under a custom or non-standard licence. Tuta has attracted 8% as many forks as stars, Phase 8%. 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 | Phase | |
|---|---|---|
| GitHub stars | ★ 8.1K | ★ 944 |
| License | GPL-3.0 | Custom / other |
| Written in | TypeScript | TypeScript |
| Last push | 2026-11-03 | 2026-11-03 |
| Forks | ⑂ 653 | ⑂ 78 |
| 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 Phase if
- You want the Phase feature set and don't need the biggest community
- You prefer the Custom / other license terms
- Your stack matches TypeScript
- You evaluated both and Phase 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 Phase
Repos Docs CLI Node SDK Python SDK Golang SDK Helm Chart Kubernetes Operator Terraform Provider Open source platform for fast moving engineering teams to secure and deploy application secrets — from development to production. Phase Console Demo 📦 SDKs : SDKs for integrating Phase with various programming languages and frameworks Explore Phase Console CLI Explore Phase CLI Getting started Check out the Quickstart Guides Use Phase Cloud The quickest and most reliable way to get started is by signing up on the Phase Console. Self host Phase
read the full Phase overview →
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Frequently asked questions
Is Tuta or Phase more popular?
Tuta has 8,110 GitHub stars and Phase has 944. Tuta has the larger community by that measure.
Are Tuta and Phase free?
Both are open source. Tuta is licensed under GPL-3.0, and Phase has no licence declared in this registry. Both are free to self-host.
What is the difference between Tuta and Phase?
Tuta is written in TypeScript and Phase in TypeScript. 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 Phase?
Choose Tuta if you want the larger community (8,110 stars) or its GPL-3.0 licence terms. Choose Phase if its feature set, stack or Custom / other licence fits better. Both are self-hostable.