European alternatives to Google Calendar
Google's free calendar service integrated with Gmail and Google Workspace.
About Google Calendar
- Company
- Google LLC · Alphabet Inc.
- HQ
- United States
- Zone
- Outside Europe
Key concerns
Tuta Calendar
100 · Certified EuropeanGerman end-to-end encrypted calendar by Tutao GmbH, tightly integrated with Tuta Mail. All calendar data is encrypted on German servers using post-quantum TutaCrypt encryption. Standalone calendar app launched in 2024. Open source, no ads, no tracking.
Proton Calendar
95 · Certified EuropeanSwiss end-to-end encrypted calendar by Proton AG. All event details (titles, descriptions, locations, attendees) are encrypted so even Proton cannot read them. ISO 27001 certified, independently audited annually by Securitum, own infrastructure in Switzerland and Germany.
Looking for all European Calendar & contacts alternatives? Browse the full list →
Also consider replacing
Other Alphabet Inc. products with European alternatives
Why avoid United States-owned services?
CLOUD Act
Allows US authorities to compel American companies to hand over data stored anywhere in the world.
FISA Section 702
Permits mass surveillance of non-US persons' data held by US tech providers, without a warrant.
GDPR vs US law
Transferring personal data to US companies may conflict with EU data protection rules under GDPR.