Jellyfin and syncthing are two of my favorites. So for example I keep my passwords in a keepassxc file which is synced between my devices using syncthing. The

Jellyfin and syncthing are two of my favorites. So for example I keep my passwords in a keepassxc file which is synced between my devices using syncthing. The UX is pretty good and hasn't changed (ie degraded) in the years I've been using it.