What are you using now?

I dont know if ill be able to do it

You could try https://calendar.formstr.app ❤️

Everything is becoming vibe slop

What have you noticed beside that "post"? Somehow I dont like protons calendar product because of their lack of encryption. Tuta encrypts their calendar app better.

I use Mailcow. However, everything is an overly complicated way to sync ics files