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Proton Calendar

Proton Calendar is a calendar service with a strong focus on privacy based in Switzerland. Proton Calendar uses zero-knowledge encryption, which means that the company can not read the content of your calendar even if they are stored on their servers.


Proton Calendar is hosted in Switzerland.

Other products in category Calendar services
fruux logo


Germany EU Open Source Free Plan

fruux is a calendar service from Germany. Their CalDAV server is open source.

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