- 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 is the world's leading open source technology solutions provider with offerings including Red Hat Enterprise Linux, open source applications, security and systems management, virtualization, Services Oriented Architecture (SOA) solutions, serve..."
- Security-Enhanced Linux - by the National Security Agency.
Own description: "SELinux home page"
- Mandriva - Linux distribution. Used to be called Mandrake.
Own description: "Mandriva Linux"
- SuSE - Linux distribution, owned by Novell.
Own description: "Linux OS by Novell. SUSE Linux Enterprise is the premier linux operating system for enterprise.operating system for enterprise."
- andLinux - Ubuntu Linux system running under Windows.
Own description: "andLinux.org -- Run Linux natively inside Windows"
- Knoppix - Linux distribution. CD bootable.
Own description: "KNOPPIX - Live Linux Filesystem On CD"
- 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."
