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Tuta DesktopElectronMail
Freemium

A free account with limited storage and one address. Paid plans add custom domains…

 Free

The open-source software is available without a license fee. Hosting, hardware and…

Windows, macOS, Linux Windows, macOS, Linux
  • End-to-end encrypts mail bodies, subject lines, calendar and contacts
  • Password-protected messages to recipients who are not Tuta users
  • Adds desktop-oriented features around Proton Mail.
  • No IMAP or SMTP, so third-party mail clients cannot be used
  • A Tuta account is required; it is not a general mail client
  • Requires a Proton account and depends on an external mail service.
Downloadable app Downloadable app
Open source Open source
License: GPL-3.0 License: GPL-3.0
Account needed Not stated if an account is needed
Needs internet Not stated if it works offline

Checked September 21, 2026

Checked September 22, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.