They did

There is OpenAndroidInstaller which looks great, but is still in Beta so I’m not sure if I would use it.

So is it the same as Plexus?

You can’t. Proton only supports torrenting on specific servers that aren’t included in the free plan

Maybe you could donate a small donation to multiple projects/creators every month? Even 1$ per month is 12$ a year per project which is of course better than nothing

No, only Bitwarden self hosting

Some would argue that as 1password is proprietary it can’t be trusted as much as open source Bitwarden

Telegram straight up lies about sharing data with governments: https://restoreprivacy.com/telegram-sharing-user-data/