Perfect!

Thank you for the links :)

Thank you so much for your comment! Really helpful!

Afaik you can only use their apps on phone and import everything on desktop with their bridge. This is not enough. For example, I use WebDav to backup my encrypted Joplin notes. Not possible with Proton.

This sounds awesome! My OpenWRT Router is arriving on monday, maybe this post in general will be obsolet -_-"

Seems a good idea. Thank you for your help :)

Thank you for your comment :) really helpful!