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: https://protonmail.com/blog/protonmail-bug-bounty-program/
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. https://techcrunch.com/2020/01/01/the-california-consumer-privacy-act-officially-takes-effect-today/
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: https://protonmail.com/blog/protoncalendar-beta-announcement/
- Website:
- https://protonmail.com/
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!