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Keep your schedule private with an end-to-end encrypted calendar. Benefit from Swiss privacy laws and a user-first approach. Manage events securely.
End-to-end encrypted calendar from Proton in Switzerland: events, reminders and sharing stay private under Swiss law, tightly integrated with Proton Mail.
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European alternative to
Head-to-head comparisons
See how Proton Calendar stacks up side-by-side against the non-EU incumbent on jurisdiction, GDPR, pricing, and features.
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