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.
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CuerdOS
CuerdOS is a Debian-based GNU/Linux distribution with focus on stability, efficiency and performance. It comes with a series of optimisations, such as performance and memory consumption improvements.