Software · Office & notes
Tuta (Experimental)
Secure email, calendar & contacts.
- Limited free plan
- Linux, Android and iOS
- Open source
Overview
Features described on its official website and in Wikidata: end-to-end encryption.
Overview written by LicitPro from the documentation published by the authors and the cited sources; we have not tried the resource ourselves.
Excerpts that establish this information
- “Free and open-source end-to-end encrypted email software and host.” — Wikidata, 10 November 2026
At a glance
Tuta (Experimental) offers a limited free plan; advanced features or heavier use are paid.
Its licence (GPL-3.0) is a copyleft open source licence: you may use, study, modify and redistribute it, including commercially; modified versions must keep the same licence.
Plans and conditions
- Free plan: basic features are free; others are reserved for paid plans.
- Paid subscriptions from 3 € per month (price read on the official page).
Strengths
- Open source code
- No credit card asked
- Commercial use allowed
Weaknesses
- Limited free plan
- Flagged by F-Droid: relies on a non-free online service
About
Tuta mail is an email client with a strong focus on security and privacy that lets you encrypt emails on all your devices. Important: Flatpak release is in a preview stage and there are known issues. When reporting bugs please always specify that you are using Flatpak version. Keep your messages private and safe from any tracking: Tutanota is the most secure email service - fast, encrypted & open source. Trusted by 10 million users and recommended by security & privacy experts, this is the go-to app to protect your private emails and calendars from prying eyes. Tuta's secure email app also has an encrypted calendar & encrypted contacts, all in one place. Tutanota enables you to use the benefits of the cloud - availability, flexibility, automatic back-up - without compromising on security or privacy. With Tutanota's built-in encryption you own your data, no one else can access your private emails, calendars or contacts.
Description from Flathub — AppStream (Flathub)
Sources and checks
- Facts collected from Unspecified source (platforms) —
- Facts collected from Flathub (credit card, source code, publisher, licence, free status, platforms, commercial use, version) —
- Facts collected from Official plan pages (pricing, licence, terms) (limits, free status, commercial use) —
- Facts collected from Wikidata (platforms) —
- Last technical check: 5 November 2026
- Description from Flathub — AppStream (Flathub)
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