So as a starting point you could try this, which i just cobbled together because I didn't have time to do it properly: https://gist.github.com/seidler2547/953b1f1243483fe66c1f62a0c438104e

I use Xpra-HTML5 docker containers to host applications that don't have a web interface. Works pretty well although I think all the existing docker images for it are broken and you need to roll your own.

Home Assistant and LMS (Logitech Media Server) are the two things that are permanently displayed on the hallway touchscreen and they are used all the time by everyone in our household. There are more things like Seafile and E-Mail that are being used heavily, but HA and LMS are the most "visible".