Right now a lot of us are trying to divest and diversify from having our entire lives on Google both because of the way Google spends its money and the long-standing privacy concerns seeming a bit more scary now.
What services have you switched to and what has your experience been? What do you like, what don’t you like, would you recommend them?
Since you already use proton you should check out proton calendar.
We tried it but my wife hated it. With Proton, you have choose one subscription. I already use Pass plus so I can’t have Mail plus (shared calendars) without Proton ultimate which is an overkill in my situation and too expensive.