SparkyLinux
SparkyLinux is a set of Debian-based desktop Linux distributions. The project provides separate editions with KDE Plasma, LXQt, MATE and Xfce desktops, as well as a lightweight flavour featuring the Openbox window manager.
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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.