The superior wmx window manager in a busybox session for mir-kiosk
wmx is a window manager for X. It's based on wm2,
and it retains a similar look and feel, but it's
intended to provide an experimental vehicle for
features that fall comfortably outside the scope
of the manifesto for the original wm2.
Enable snaps on Kubuntu and install wmx-kiosk-session
Snaps are applications packaged with all their dependencies to run on all popular Linux distributions from a single build. They update automatically and roll back gracefully.
Snaps are discoverable and installable from the Snap Store, an app store with an audience of millions.