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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GhostBSD
GhostBSD is a user-friendly desktop operating system based on FreeBSD. Its default desktop is MATE, but a separate community edition with Xfce is available too.