Linux Mint
Linux Mint is an Ubuntu-based distribution whose goal is to provide a classic desktop experience with many convenient, custom tools and optional out-of-the-box multimedia support. It also adds a custom desktop and menus, several unique configuration tools, and a web-based package installation interface.
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KDE neon
KDE neon is a Ubuntu-based Linux distribution and live DVD featuring the latest KDE Plasma desktop and other KDE community software. Besides the installable DVD image, the project provides a rapidly-evolving software repository with all the latest KDE software.