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Elementary OS is a well-polished desktop Linux distribution based on Ubuntu, known as the most beautiful Linux distribution
CentOS 6 is a community-supported distribution derived from sources freely provided to the public by Red Hat for Red Hat Enterprise Linux.
Pinguy OS is an Ubuntu-based distribution for Linux novices. It features a large number of user-friendly enhancements, out-of-the-box support for multimedia codecs and browser plug-ins
Redcore Linux shares the same idea as his defunct ancestor, Kogaion Linux: to bring the power of Gentoo Linux to the masses.
Bodhi Linux is a desktop-based Ubuntu-based distribution that features an elegant and lightweight Enlightenment window manager.