- Debian
- Linux distribution.Own description: "Debian GNU/Linux is a free distribution of the GNU/Linux operating system. It is maintained and updated through the work of many users who volunteer their time and effort."
- Gentoo - Linux distribution optomized for performance and configurability.
Own description: "Gentoo Linux -- Gentoo Linux News"
- Red Hat - Linux distribution.
Own description: "Red Hat -- Linux, Embedded Linux and Open Source Solutions"
- Mandriva - Linux distribution. Used to be called Mandrake.
Own description: "Mandriva (was MandrakeSoft) publishes Mandriva Linux distribution, designed, developed & packaged within the Mandriva Linux community. Mandriva also provides her expertise & consultancy to enterprises, ISVs and OEMs."
- SuSE - Linux distribution, owned by Novell.
Own description: "Linux OS by Novell. SUSE Linux Enterprise is the premier Linux operating system for the enterprise."
- Knoppix - Linux distribution. CD bootable.
Own description: "KNOPPIX - Live Linux Filesystem On CD"
- Security-Enhanced Linux - by the National Security Agency.
Own description: "Security-Enhanced Linux"
- andLinux - Ubuntu Linux system running under Windows.
Own description: "andLinux.org -- Run Linux natively inside Windows"
- Freesco - Free router software based on Linux.
Own description: "FREESCO Project"
- Pocket Linux - Minimal, one floppy Linux system.
Own description: "Official homepage of Pocket Linux project - one floppy linux workstation."
