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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Voyager Live
Voyager Live is an Xubuntu-based distribution and live DVD showcasing the Xfce desktop environment. Its features include the Avant Window Navigator or AWN (a dock-like navigation bar), Conky (a program which displays useful information on the desktop), and over 300 photographs and animations that can be used as desktop backgrounds.