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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Ultimate Edition
Ultimate Edition, first released in December 2006, was a fork of Ubuntu and Linux Mint though recent versions (starting in 2024) have been based on Arch Linux. The goal of the project is to create a complete, seamlessly integrated, visually stimulating, and easy-to-install operating system.