Provides information regarding the various Open Source operating systems, or distributions, commonly referred to as 'Distros'.
Regular Websites
AdvanceCD is a bootable live CD, DVD, and USB disk that contains a minimal Linux distro containing the AdvanceMAME emulator. - AdvanceCD
http://advancemame.sourceforge.net/
Askemos is an intrusion resistant and incorruptible, autonomous distributed operating system; providing application programmers with continuations, messages, and rights management on top of a P2P network. - askemos
http://www.askemos.org/
The Asterisk@Home distro allows the home user to quickly set up an Asterisk PBX; with web GUI configuration and management. - Asterisk@Home
http://asteriskathome.sourceforge.net/
AuroraUX is an operating system distribution based on the OpenSolaris source base. This particular distro is meant to be minimalistic and used as a base for other distros. - AuroraUX
http://auroraux.org/
An openly developed operating system available predominantly via Live CD; community-maintained and driven. - BeleniX
http://www.belenix.org/
CCux is a Linux distribution specifically optimized for package management and automatic dependency resolution. - CCux
http://ccux-linux.de/
ChallengeOS is an operating system with a native GUI, an interpreter for an object-oriented BASIC dialect, and many more features to make life easier for normal users. - ChallengeOS
http://sourceforge.net/projects/challengeos/
Damn Small Linux is a Live CD Linux distro; fully functional and easy-to-use desktop. - Damn Small Linux
http://www.damnsmalllinux.org/
Darwin is the openly developed BSD-based core of Mac OS X. - Darwin
http://developer.apple.com/opensource/
A POSIX-compliant computer operating system composed of code developed by Apple, as well as code derived from NEXTSTEP, FreeBSD, and other Open Source software projects. - Darwin Source
http://sourceforge.net/projects/darwinsource/
Debian is a distro openly developed by an association of individuals on the Linux kernel. - Debian
http://www.debian.org/
An openly developed Unix-like operating system created as a fork of FreeBSD 4.8; containing features of both monolithic and microkernels. - DragonFly BSD
http://www.dragonflybsd.org/
Dynebolic GNU/Linux is a live bootable distro, an operating system which can also be installed just by copying a directory onto the hard disk. - Dynebolic
http://dynebolic.org/
EURONode is a set of Debian GNU/Linux distros. Transform a simple computer into a high-performance server or an installed and configured firewall! - EURONode
http://euronode.org/
FeatherLinux is a Linux distro based on Knoppix 3.4 that can fit on a Mini-CD, or on a 128 MB USB pen drive. - FeatherLinux
http://featherlinux.berlios.de/
Fedora is a Linux distro developed by Red Hat; working with the Open Source community for quarterly releases. - Fedora
http://fedoraproject.org/
FreeBSD is an openly developed Linux distro used by researchers, students, home and professional users all over the world in their work, education, etc. - FreeBSD
http://www.freebsd.org/
FreeDOS (formerly Free-DOS and PD-DOS) is an openly developed operating system for IBM PC-compatible computers. - FreeDOS
http://www.freedos.org/
A real-time operating system for embedded devices, being ported to several microcontrollers; distributed under the GPL with an optional exception. - FreeRTOS
http://www.freertos.org/
Gentoo is a versatile and fast Linux distro geared towards developers and network professionals; with an advanced package management system. - Gentoo
http://www.gentoo.org/
Gnome is a user-intuitive desktop Linux platform; openly developed and documented in dozens of languages by professional and volunteer usability experts. - Gnome
http://www.gnome.org/
GNU is an openly developed and documented operating system. Upward-compatible with Unix, it is much more than a kernel; including compilers, editors, etc. - GNU
http://www.gnu.org/
GoblinX is a bootable live CD distro based on Slackware Linux. - GoblinX
http://www.imagineos.com.br/
Provides the project documentation and software development kit (SDK) download information for the mobile device. - Google Code: Android
http://code.google.com/android/
grml is a live CD originally based on Knoppix and currently based on Debian; includes a collection of GNU/Linux software especially for users of texttools and system administrators. - grml
http://grml.org/
An Open Source operating system inspired by the BeOS; complete with WebKit integration information and related documentation. - Haiku OS
http://haiku-os.org/
KDE, or the K Desktop Environment, is an openly developed graphical desktop environment for both Linux and Unix workstations. - KDE
http://www.kde.org/
Knoppix is a bootable Linux CD; openly developed for education, OS rescue, and server platform, with no need to install anything on the hard disk. - KNOPPIX
http://www.knoppix.com/
KolibriOS (also known as KOS and Kolibri) is an openly developed operating system for 32-bit x86 architecture computers; developed and maintained by the KolibriOS Project Team. - KolibriOS
http://www.kolibrios.org/
Kubuntu is an integrated distro; combining the features of Ubuntu with the KDE desktop. - Kubuntu
http://www.kubuntu.org/
Linspire combines the power, stability and cost-savings of Linux with the ease of windows. - Linspire
http://linspire.com/
LinuxConsole is a Linux distro can be started from CD/DVD; this distribution is as simple to use as a games console: you can start applications without installing them! - LinuxConsole
http://linuxconsole.org/
A comprehensive guide to the Linux Operating System; for Linux newcomers, and seasoned Linux users. - LinuxPlanet
http://www.linuxplanet.com/
Mac-on-Linux allows you to run Mac OS (including OS X) under Linux/PPC. Best of all - there is no ROM image required! - Mac-on-Linux
http://mac-on-linux.sourceforge.net/
Mandriva (formerly Mandrake) is the linux distro openly developed with the goal of making the desktop operating system easier to use for everyone. - Mandriva
http://www.mandriva.com/
MenuetOS (also known as MeOS) is an openly developed operating system for 64-bit and 32-bit x86 architecture computers; released under GPL. - MenuetOS
http://www.menuetos.net/
MEPIS is a desktop Linux system; designed for personal and business purposes, it is easy to convert as a dedicated server. - MEPIS
http://www.mepis.org/
A small OpenSolaris Live CD distro which can be run from miniCD, bootable business card, or USB flash drive. - MilaX
http://www.milax.org/
An Open Source operating system; openly developed for mobile devices, such as netbooks, and other related devices. - Moblin
http://moblin.org/
Morphix is a modular LiveCD distro; partly derived from KNOPPIX, and the rest comes directly from Debian. - Morphix
http://www.morphix.org/
A freely redistributable, Open Source version of the Unix-derivative Berkeley Software Distribution (BSD) computer operating system. - NetBSD
http://www.netbsd.org/
An openly developed computer operating system based on Debian and Solaris for IA-32 and x86-64-based systems. - Nexenta OS
http://www.nexenta.com/
OpenBSD is an openly developed, multi-platform BSD-based UNIX-like operating system; emphasizing portability, standardization, security, etc. - OpenBSD
http://www.openbsd.org/
OpenSuSE is an Open Source Linux distro sponsored by Novell; OpenSUSE is one of the easiest distro to obtain and the most widely used. - OpenSuSE
http://www.opensuse.org/
PCLinuxOS, initially based on Mandrake distro, is an openly developed, bootable KDE linux desktop CD. - PC Linux OS
http://www.pclinuxos.com/
Portable Linux Auditing CD, or PLAC, is a business card-sized, bootable CD ROM running Linux; with network auditing, disk recovery, and forensic analysis tools. - Portable Linux Auditing CD
http://sourceforge.net/projects/plac/
An openly developed computer operating system composed entirely of Open Source software; with extensive on-going audit information. - ReactOS
http://www.reactos.org/
sanos is a minimal OS kernel for PC-based server appliances; run java server applications, like tomcat and jboss! - sanos
http://www.jbox.dk/sanos
SchilliX is an OpenSolaris-based distribution which runs from CD and can be optionally installed on a hard disk or a USB memory stick. - SchilliX
http://schillix.berlios.de/
Slackware Linux is an advanced operating system; openly developed to include the latest, popular features while retaining a sense of simplicity, as well as ease of use. - Slackware Linux
http://www.slackware.com/
SoL-diag is a diskless Linux distro that was designed for the rescue and analysis of i686 computers; also useful for improving your Linux skills and benchmarking computers without having to install programs to the hard drive. - SoL-diag
http://www.sol-linux.com
An openly developed and lightweight desktop distribution OpenSolaris-based operating system. Contains download information and all relevant documentation. - StormOS
http://www.stormos.org/
TINY GNU is a small Linux distro designed especially for reusing old computers; has very low demands in terms of hardware capacity, and even a Linux beginner can install it easily. - TINY GNU/Linux Distro
http://tiny.seul.org/
The ttylinux distro fits into 4 megabytes of space and runs even on 386 class computers, providing a complete command line environment. - ttylinux
http://www.minimalinux.org/
The Ubuntu distro is an open source operating system made for humans, by humans. - Ubuntu
http://www.ubuntu.com/
Xandros is an openly developed desktop solution, based on the Corel Linux OS. - Xandros
http://www.xandros.com/
Yellow Dog Linux is the only Linux Distro built specifically to fit the PowerPC hardware architecture; most commonly used in Apple's Macintosh computers, opting to dual boot. - YellowDogLinux
http://www.terrasoftsolutions.com/products/ydl/