08-11-2020, 08:22 AM
I think the main difference you'll see is that the packaging process is slightly different - debian for mobian vs. alpine linux for PostmarketOS. Both are capable of running other desktops (Plasma Mobile etc.) but most of the effort seems to be concentrated around Phosh which has its roots in Gnome, hence the gtk3 use. If you went the Plasma Mobile route then Qt would probably be the better option. I _think_ both Mobian and PmOS are concentrating on wayland over X with most desktops, but I may be wrong.