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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VailuxOS
VailuxOS is a German, desktop-oriented Linux distribution based on Ubuntu's long-term support (LTS) branch or Debian's "Stable" branch. The project's primary goal is to make the transition from Windows to Linux as seamless as possible by maintaining familiar ways of working and workflows.