MX Linux
MX Linux, a desktop-oriented Linux distribution based on Debian's "Stable" branch, is a cooperative venture between the antiX and former MEPIS Linux communities. Using Xfce as the default desktop (with separate KDE Plasma and Fluxbox editions also available), it is a mid-weight operating system designed to combine an elegant and efficient desktop with simple configuration, high stability, solid performance and medium-sized footprint.
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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.