AerynOS
AerynOS is an independently-developed, rolling-release Linux distribution designed for general desktop use. Its main features include the GNOME desktop, a custom package manager called "moss", atomic updates with rollback options, a package build system called "boulder", and smart boot management with complex EFI configuration through a utility called "blsforme".
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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.