* Arch Linux , a distribution based on the KISS principle with a rolling release system
* CentOS , a distribution derived from the same sources used by Red Hat, maintained by a dedicated volunteer community of developers with both 100% Red Hat - compatible versions and an upgraded version that is not always 100% upstream compatible
* Debian , a non-commercial distribution maintained by a volunteer developer community with a strong commitment to free software principles
* Fedora which is a community distribution sponsored by Red Hat
* Gentoo , a distribution targeted at power users, known for its FreeBSD Ports-like automated system for compiling applications from source code
* Knoppix , The first Live CD distribution to run completely from removable media without installation to a hard disk. Derived from Debian
* Kubuntu , the KDE version of Ubuntu
* Linux Mint , a popular distribution based on and compatible with Ubuntu
* Mandriva , a Red Hat derivative popular in France and Brazil, today maintained by the French company of the same name
* OpenGEU , derived from Ubuntu: The project's goal is to combine the power of GNOME desktop with the eye-candy of Enlightenment 17.
* openSUSE , originally derived from Slackware, sponsored by the company Novell .
* Pardus , developed in Turkey, as a product of the Pardus Project. It was named after the Anatolian Leopard.
* PCLinuxOS , a derivative of Mandriva, grew from a group of packages into a popular, community-spawned desktop distribution.
* Red Hat Enterprise Linux, which is a derivative of Fedora maintained and commercially supported by Red Hat
* Slackware , one of the first Linux distributions, founded in 1993, and since then actively maintained by Patrick J. Volkerding
* Ubuntu , a popular desktop distribution derived from Debian, maintained by Canonical
* gOS and other netbook operating systems
DistroWatch maintains a popularity ranking of distribution information on its web site (using primarily page views), but this is not considered to be a reliable measure of distribution popularity.