OpenMandriva Lx
The OpenMandriva distribution is a full-featured Linux desktop and server, sponsored by the OpenMandriva Association. It was based on ROSA, a Russian Linux distribution project which forked Mandriva Linux in 2012, incorporating many of Mandriva's original tools and utilities and adding in-house enhancements.
NebiOS
NebiOS is an Ubuntu-based desktop Linux distribution with a custom Wayland compositor called NebiDE (based on Wayfire). It features various user interface enhancements, an initial setup module called OOBE, the NebiOS App Runtime (napp-runtime) portable application format with bubblewrap containerization, improved gaming performance with Steam Proton integration, a kernel switcher for easy multi-kernel installation, and the Wine compatibility layer for running some Windows applications.