Not exactly self-hosted but I know many jellyfinners here would cherish this as well.
KDE's Android TV alternative, Plasma Bigscreen, rises from the dead with a better UI
www.neowin.netAnother KDE project, Plasma Bigscreen, is back from the dead with a much better UI spread across the entire shell.
Never seen this before, might have to try it on my TV PC. Do like the interface!