- 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"
- Ubuntu - Linux-based operating system
Own description: "Ubuntu Home Page | Ubuntu"
- CentOS - Linux distribution.
Own description: "CentOS -- Community ENTerprise Operating System is a free rebuild of source packages freely available from a Prominent North American Enterprise Linux vendor."
- Linux HQ - Linux Kernel downloads and links.
Own description: "Comprehensive information and resources about the Linux Operating System."
- Programmers Heaven - Forums and links to source code and articles.
Own description: "Resources for developers in C, C++, C#, .Net, Visual Basic, Java, Ruby, PHP, Perl, Python and more. Featuring forums, tens of thousands of resources, blogs, jobs and more!"
- Linux From Scratch - Instructions to build your own custom Linux system.
Own description: "Welcome to Linux From Scratch!"
- 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"
- Freespire - Community-driven, Debian-based Linux distribution.
Own description: "Freespire"
- Ibiblio's linux archive - Gigabytes of Linux programs.
Own description: "ibiblio linux archive"
- Pocket Linux - Minimal, one floppy Linux system.
Own description: "Official homepage of Pocket Linux project - one floppy linux workstation."
