OpenSuse Tumbleweed.

Check out cosmos cloud too…

Could syncthing work?

SimpleX chat.

Me too.

I cycled from all apps but keep ending in Summit. Yes I understand the FOSS attitude I really do but it all comes down to usability and UI and active development. Voyager and Eternity are my next options.

Maybe this? https://nuclear.js.org/

Is there a notification icon-bubble-number when we have one eg message in our inbox?

Or you might feel failure or bad critique? Look within you.