Calendar services Tuta Calendar logo

Tuta Calendar

Germany
EuOpen Source

A fully encrypted calendar from Tuta in Hanover, Germany, powered by renewable energy.

Tuta Calendar is an end-to-end encrypted calendar from Tutao GmbH (Tuta) in Hanover, Germany, the company behind the Tuta encrypted email service. It is aimed at privacy-conscious users who want their schedule encrypted and hosted in the EU.

It encrypts event data including times, notes and reminders, offers iOS and Android apps plus web access, integrates with Tuta Mail, and runs on servers powered by renewable energy, with open-source clients. Hosted in Germany under GDPR, Tuta Calendar is a green, privacy-first European alternative to Google Calendar.

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