Solus
Solus is a Linux distribution built from scratch. It uses a forked version of the PiSi package manager, maintained as "eopkg" within Solus, and its flagship edition uses the Budgie desktop environment.
VS
KDE Linux
KDE Linux is a user-focused, general-purpose Linux distribution. It is built by KDE and it is meant to showcase the best implementation of everything KDE has to offer, using the most advanced technologies.