Proton Calendar

Private calendar: reminders, planner, calendar widget, time management

Proton Calendar is an easy-to-use calendar and time management tool that ensures the privacy of your schedule.

Additional highlights

✓ Automatically sync calendar across all browsers and devices

✓ Create recurring events daily, weekly, monthly, annually or with a custom frequency

✓ Use as an appointment planner in local or foreign time zones

✓ Manage up to 20 calendars (paid feature)

✓ View your schedule on your home screen with the Proton Calendar widget

✓ Add multiple reminders for any event

✓ Use as a daily or monthly agenda by switching between different views

✓ Choose whether you prefer to view your event calendar in dark or light mode

PRIVATE CALENDAR

✓ No ads, trackers or data sharing with third parties

✓ We cannot spy on your activities or misuse your data

✓ End-to-end encryption: Data exchange between Proton Calendar users is fully encrypted

✓ Zero access encryption: event names, descriptions and Piggy GoLD participants are fully encrypted on our servers

✓ Based in Switzerland 🇨🇭: all your data is protected by strict Swiss privacy laws

USERS FIRST

Building an internet that puts people over profits

✓ Funded by users, not advertisers: privacy is our business model

✓ Created by scientists and engineers who met at CERN and MIT

✓ Used worldwide by prominent journalists and organizations

✓ GDPR and HIPAA compliant

✓ Based in Switzerland and protected by some of the strongest privacy legislation in the world

What others say about Proton Calendar

"With Proton Mail, encrypting your calendar is a breeze. Information about what you plan to do, where, and with whom can be as confidential as the messages you send and receive." Gizmodo