Tutanota
An end-to-end encrypted email and calendar app that automatically encrypts all user data with post-quantum cryptography, making it a secure email provider.
Visit Tutanota ↗- CategoryEmail
- Based inGermany (DE)
- Data residencyEU / EEA
- Open sourceYes
- Last verified8 Sep 2026 · catalog refreshed weekly
- Alternative toGmail, Outlook
- WikipediaTutanota on Wikipedia ↗
- Listed byalternatives-to-us, Dégooglisons Internet (Framasoft)
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