Drauger OS - Drauger OS is an Ubuntu-based Linux desktop gaming distribution that ships with many modifications and optimizations over stock Ubuntu that are intended to improve gaming performance and the gaming experience.
Haiku - Haiku is an open source OS catered specifically to the needs of personal computing.
Lakka - Lakka is the official Linux distribution of RetroArch and the libretro ecosystem.
SUSE Linux Enterprise - SUSE is the original provider of the enterprise Linux distribution and the most interoperable...
ChimeraOS - Steam, Epic, GOG, retro consoles, and more... all from your couch
DeLicate Linux - DeLicate Linux is a free and lightweight Linux Kernel-based operating system that is intended for computers comprising of very Low RAM.