[$] Plasma Mobile for highly configurable Linux phones

https://plasma-mobile.org
 is an open-source
user interface for mobile devices, developed by the KDE community. It's
built on the same foundations as https://kde.org/plasma-desktop/
 window
manager. Much like its desktop counterpart, Plasma Mobile caters to
advanced users by offering extensive customizability. It is offered as an
option on phones with <a href="https://plasma-mobile.org/get/" rel="nofollow">various mobile Linux
distributions</a>.

https://lwn.net/Articles/986899/