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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ALT Linux
ALT Linux was founded in 2001 by a merge of two large Russian free software projects. By the year 2008 it became a large organization developing and deploying free software, writing documentation and technical literature, supporting users, and developing custom products.