Tuta Calendar
Calendar Germany
German encrypted calendar bundled free with every Tuta Mail account. Alternative to Google Calendar.
Details
Tuta Calendar is the calendar half of Tuta’s encrypted suite, included free with every Tuta account. Events, invitations and shared calendars are end-to-end encrypted, and Tuta describes the encryption as quantum-safe under a zero-knowledge architecture, so the provider cannot read event titles, times or participants. Push reminders are delivered without exposing event contents to a third party.
Apps cover Android and iPhone, with open-source desktop clients for Windows, macOS and Linux. Calendars and individual events can be shared with other users, and two-factor authentication protects the account. The practical cost of the encryption model is interoperability: this is a closed calendar rather than one that federates with an existing Google or Microsoft stack.
About Tuta
German privacy company building end-to-end encrypted email and calendar services.
Its products and services are generally evaluated on product reliability, security posture, pricing clarity, and long-term operational fit for teams and individuals. For buyers comparing vendors, Tuta is usually considered alongside alternatives based on jurisdiction, infrastructure choices, support quality, and how well the platform integrates with existing workflows.
