Tutanota
Tutanota is a free, open-source security and privacy app for Windows, macOS and Linux. Tuta is an email service with a strong focus on security and privacy that lets you encrypt emails, contacts and calendar entries on all your devices. It has 7,986 GitHub stars and is released under the GPL-3.0 license.
- Linux
- macOS
- Windows
- Password managers, encryption & privacy
- Actively maintained
About Tutanota
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.
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What is Tutanota?
Tutanota is a free, open-source security and privacy app for Windows, macOS and Linux. Tuta is an email service with a strong focus on security and privacy that lets you encrypt emails, contacts and calendar entries on all your devices. It has 7,986 GitHub stars and is released under the GPL-3.0 license.
Is Tutanota free and open source?
Yes. Tutanota's source code is public on GitHub under the GPL-3.0 license, which is OSI-approved or FSF-free, so you can use, copy and change it for free.
How do I install Tutanota?
Download the installer for Windows, macOS and Linux from its GitHub Releases page (latest: tutamail-nextcloud-release-1.2.3612610060) or the project website.
Is Tutanota still maintained?
The repository's most recent commit was on Oct 6, 2026. appsgit only lists apps whose repository had a commit in the last six months.