I am a linux beginner: Why obviously?

You can create a link to the Profile and mention them in the content, like this: @linmob@linuxmobile.social

If you can, wait for the new jolla phone

Then apps using the service should also work! (Scroll down in their site)

Test here if your city is supported:

https://api.transitous.org/

Transitious might be one of the best Open Source Routing right now. Used for example in: https://cartes.app/

Signal is alright IMO.

There is no perfect service. Thats why smarter people than me analyze this and talk about it: https://www.messenger-matrix.de/messenger-matrix-en.html

I think deltachat is pretty cool. Decentralised, open source and quite easy to use and setup.For me it is something for friends willing to try out new stuff and as a fallback when signal fails.

Lol

I just researched PWAs with this article.

PWAs aren’t a silver bullet, but when applied in the right contexts, they continue to offer undeniable benefits

Now you are telling me silverbullet(.md)

provides a PWA