Tuta
Turn ON privacy with encrypted email, calendar and contacts
Tuta is an encrypted email, calendar and contacts service founded in 2011 in Germany. It encrypts mailboxes, calendars and address books end-to-end using post-quantum cryptography, addressing the privacy risks of providers that scan or monetize user data. The service runs on renewable energy and does not rely on Google services.
Clients are available for Android, iOS, Windows, macOS, Linux and the browser, and all are open source. Tuta Mail and Tuta Calendar are integrated, with email invites for managing appointments and push reminders that do not use Google Push. Custom domain support with unlimited aliases is offered, along with a zero-knowledge calendar.
Tuta serves individuals, businesses, medical practices, activists and journalists, with a business version for organizations. It is packaged with a free plan, paid plans, and discounts for non-profits and schools.
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