The ProtonMail bug bounty program also applies to ProtonCalendar. You can earn up to $10,000 for qualifying vulnerabilities. See our bug bounty rules here:

The California data privacy law took effect yesterday, requiring businesses to get your consent before profiting off your data. At Proton, we don't abuse your privacy for profit. Ever.

The day has arrived! ProtonCalendar is now in open beta. Stay organized and stop corporations from spying on your schedule. Paid users can begin testing it today. Full details here:


Server run by the main developers of the project 🐘 It is not focused on any particular niche interest - everyone is welcome as long as you follow our code of conduct!