Kubuntu
Kubuntu is a free, user-friendly Linux distribution based on KDE's desktop software and on the Ubuntu operating system. It has a biannual release cycle.
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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.