T
Tuta ✓ Verified Audited
End-to-end encrypted email and calendar. Based in Germany. Encrypts subject lines too.
Visit Website →
Freemium
About Tuta
Tuta (formerly Tutanota) encrypts not just email bodies but also subject lines and contacts — something most encrypted email providers don't do. Based in Germany with open source clients. Features a built-in encrypted calendar. Developing post-quantum encryption to future-proof security.
Key Features
✓ E2EE including subject lines and contacts
✓ Encrypted calendar built in
✓ Post-quantum encryption in development
✓ Open source client applications
✓ Custom domain support
✓ Encrypted search of mailbox contents
✓ No tracking, no ads
✓ Desktop apps for Windows, macOS, Linux
✓ Anonymous signup possible
✓ German privacy law protection
Who Is It For?
Privacy-conscious users who want even more thorough encryption than Proton Mail. Good choice if you value encrypted subject lines and calendar.