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.
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TROMjaro
TROMjaro is a Manjaro-based Linux distribution with a customised Xfce desktop. Compared to its parent, TROMjaro offers several user-friendly utilities, such as Layout Switcher with six different layouts or Theme Switcher with several accent colours.