Unsure what a Linux distribution is? Read the Linux Distribution Guide
BackTrack is a Linux-based penetration testing arsenal that aids security professionals in the ability to perform assessments in a purely native environment dedicated to hacking. hot
Debian is a free operating system (OS) for your computer. Debian GNU/Linux provides more than a pure OS: it comes with more than 18,000 packages, precompiled software bundled up in a nice format for easy installation on your machine. Debian will run on almost all personal computers, including most older models. Each new release of Debian generally supports a larger number of computer architectures. Debian is produced by almost a thousand active developers spread around the world who volunteer in their spare time. Read more hot
The Fedora Project is an open source project sponsored by Red Hat and supported by the Fedora community. It is also a proving ground for new technology that may eventually make its way into Red Hat products. It is not a supported product of Red Hat, Inc. The Fedora Project announces a new major release of Fedora Core every four to six months. Read more hot
A special flavor of Linux that can be automatically optimized and customized for just about any application or need. Extreme configurability, performance and a top-notch user and developer community are all hallmarks of the Gentoo experience. Thanks to a technology called Portage, Gentoo Linux can become an ideal secure server, development workstation, professional desktop, gaming system, embedded solution or something else -- whatever you need it to be. Because of its near-unlimited adaptability, we call Gentoo Linux a metadistribution. Read more hot
Red Hat Enterprise Linux
Red Hat Enterprise Linux is the leading platform for open source computing. It is sold by subscription, delivers continuous value and is certified by top enterprise hardware and software vendors. From the desktop to the datacenter, Enterprise Linux couples the innovation of open source technology and the stability of a true enterprise-class platform. Read more hot
The Official Release of Slackware Linux by Patrick Volkerding is an advanced Linux operating system, designed with the twin goals of ease of use and stability as top priorities. Including the latest popular software while retaining a sense of tradition, providing simplicity and ease of use alongside flexibility and power, Slackware brings the best of all worlds to the table. Slackware Linux is a complete 32-bit multitasking "UNIX-like" system.i It's currently based around the 2.4 Linux kernel series and the GNU C Library version 2.3.4 (libc6). It contains an easy to use installation program, extensive online documentation, and a menu-driven package system. Read more hot
SuSE Linux Professional delivers the features you need most for home computing and networking. SUSE LINUX Professional also includes more than 1,000 of the world's leading open source applications. From established solutions like Firefox and OpenOffice.org to "first looks" at emerging technologies like Beagle and Xen. Read more hot
A Linux distribution that starts with the breadth of Debian and adds regular releases (every six months), a clear focus on the user and usability (it should "Just Work", TM) and a commitment to security updates with 18 months of support for every release. Ubuntu ships with the latest Gnome release as well as a selection of server and desktop software that makes for a comfortable desktop experience off a single installation CD. Read more hot
XBMCbuntu (previously known as XBMC Live) is the XBMC Media Center software bundled with an embedded operating-system, all pre-packaged to give a set-top-box feeling. Read more hot
AryaLinux is a GNU/Linux based operating system that is built by building source code of the various components packages that it comprises of. In more geeky terms its a source based Linux Distribution. new
ProxLinux bills itself as a beautiful lightweight, modern Ubuntu based operating system that boosts productivity and helps you work smarter. new
Rebellin is based on Debian GNU/Linux. Designed for beginners, Rebellin looks great, and comes fully loaded with essential applications, drivers and codecs to provide an out-of-the-box experience. Rebellin is super fast, lightweight, aggressively secure and has all you need. new
Slackel is a Linux distribution based on Slackware and Salix. It is fully compatible with Slackware and Salix but the difference is that it includes the current version of Slackware. new
64 Studio is a collection of software for digital content creation on x86_64 hardware (that's AMD's 64-bit CPUs and Intel's EM64T chips). It's based on the pure 64 port of Debian GNU/Linux, but with a specialised package selection and lots of other customisations. It will be marketed to hardware OEMs in the creative workstation and laptop markets as an alternative to the 64-bit version of Windows XP, or OS X on Apple hardware. Read more
Absolute Linux is a lightweight Slackware derivative that uses an Icewm, pcmanfm, ROX-Filer, ivman, and others to create a lightweight yet easy to use distribution. Installation is text-based but simplified, and all packages are installed at once.
Aloofix is conceptually similar to the Ubuntu JeOS (Just enough OS), but much more aggressive when it comes to the term "just enough". The build environment consists of a collection of Makefiles, scripts, and configuration files capable of creating a bootable ISO image. This ISO image contains a small set of scripts and utility programs for installing Aloofix on a primary hard drive in a VM environment. The build environment provides the raw materials for creating and provisioning a set of guest instances for VirtualBox, VMWare, and Qemu.
andLinux is a complete Linux distribution based on Ubuntu that runs seamlessly in Windows without the need to partition, reboot, or configure.
Antergos comes with everything you need. The default configuration gives you a ready-to-use system. Elegant, simple and at the same time powerful.
antiX is a fast, lightweight and easy to install linux live CD distribution based on Debian Testing for Intel-AMD x86 compatible systems.
A distribution of the GNU system and consists only of Free Software.
Apricity OS is a simple rolling release Arch Linux based operating system that uses a customized GNOME 3 desktop environment.
aptosid is an operating system based on the Debian GNU/Linux unstable branch, codenamed sid, and our ISOs hold fast to the core values and the Social Contract of Debian (DSFG).
Arch Linux is a general purpose linux distribution that can be molded to do just about anything. It is fast, lightweight, flexible, and most of the parts under the hood are quite simple to understand and tweak, which can make it a good distro to "learn the ropes" on. We do not provide any configuration helper utilities (ie, you won't find linuxconf in here) so you will quickly become very proficient at configuring your system from the shell commandline. Arch Linux uses i686-optimized packages which gives us improved performance over some of our i386-optimized cousins. This means that Arch Linux will only run on a Pentium II processor or higher. We try to stay fairly bleeding edge, and typically have the latest stable versions of software.
AriOS is based on Ubuntu. AriOS comes with many extra applications, multimedia codecs, flash and java plugins, many tweaks and a unique look and feel
Asianux is a Linux server operating system which is co-developed by Chinese Leading Linux vendor Red Flag Software Co., Ltd. and Japanese Linux vendor Miracle Linux Cooperation, aiming at the common-standard enterprise Linux platform for Enterprise systems in the Asia. It provides enterprise customers with high reliability, scalability, manageability and better hardware & software compatibility.
The Asterisk@Home project enables the home user to quickly set up an Asterisk PBX. A web GUI makes configuration and operation easy. We also provide an xPL (home automation) interface for easy interaction with other devices in the home.
Audiophile Linux is optimized for high quality digital audio reproduction. It has a custom real-time kernel, DSD support, preinstalled audio and video applications, and free of unnecessary daemons and services.
AV Linux is a non-GPL custom shop modded and rodded Linux based Operating System built from a hand-picked selection of available tools including Debian/GNU Linux, the LXDE Desktop Environment and Remastersys.
(ftp only) a distribution that is based on RedHat and additionally includes Kerberos, IPv6, MobileIP and native support for WaveLAN cards
A desktop operating system with a lightweight and object oriented GUI that doesn't rely on X11.
Bio-Linux provides both standard and cutting edge bioinformatics tools on a Linux base. It is powerful, configurable and easy to maintain. Bio-Linux has been customised for ease of use and provides an ideal system for scientists handling and analysing biological data. Bio-Linux also comes with many development tools, providing a solid base for bioinformatics software development. It can also be easily deployed as a computer cluster.
An open source Linux distribution based on the NPACI Rocks cluster software and enhanced for bioinformaticists and life scientists. While it looks, feels, and operates like ordinary Red Hat Linux, BioBrew Linux includes popular cluster software e.g. MPICH, LAM-MPI, PVM, Modules, PVFS, Myrinet GM, Sun Grid Engine, gcc, Ganglia, and Globus, *and* popular bioinformatics software e.g. the NCBI toolkit, BLAST, mpiBLAST, HMMER, ClustalW, GROMACS, PHYLIP, WISE, FASTA, and EMBOSS.
Black Cat Linux
Black Cat Linux is a Red Hat based Linux OS distribution was designed by Donbass Linux User Group members Leonid Kanter and Alexander Kanevskiy.
BlackArch Linux is an Arch Linux-based distribution for penetration testers and security researchers. The repository contains 1359 tools. You can install tools individually or in groups. BlackArch Linux is compatible with existing Arch installs
Blackbuntu is distribution for penetration testing which was specially designed for security training students and practitioners of information security. Blackbuntu is Ubuntu base distro for Penetration Testing with GNOME Desktop Environment.
BLAG Linux And GNU
BLAG Linux And GNU is a Linux distribution that has a suite of graphics, Internet, audio, video, office, and peer-to-peer file sharing applications. BLAG is based on Red Hat 9, and has been reduced to one CD.
Bluewall is a GNU/Linux distribution based on Debian SID and pkgsrc. It aims to create a complete pkgsrc-based GNU/Linux distribution.
Bodhi is a minimalistic, Linux distro that uses the Enlightenment desktop. It comes as a 350MB download.
Bridge Linux is an Arch Linux-based set of distributions and live CD/DVD images designed for desktop deployment. It comes in four separate editions with a choice of GNOME, KDE, LXDE or Xfce desktops.
BU Linux is based on Fedora Core Linux, but specifically tailored for the BU environment. We've added security updates, made modifications to make software work better with the way things are set up here, and added some applications that we think you might like to have.
BunsenLabs Linux is a distribution offering a light-weight and easily customizable Openbox desktop.
Calculate Linux is a compiled stage4 - the image of meta-distribution Gentoo Linux, has its own installer is available as an image archive system, either in ISO-boot disk format.
CentOS is an Enterprise-class Linux Distribution derived from sources freely provided to the public by a prominent North American Enterprise Linux vendor (RedHat). CentOS conforms fully with the upstream vendors redistribution policy and aims to be 100% binary compatible. Read more
This system is not too different from Xubuntu, on which it is based, but ChaletOS has a style that everyone knows well, appealing simplicity and an impressive speed.
Chapeau is a Fedora remix which offers a good desktop experience out of the box.
Clear Linux Project
The Clear Linux Project for Intel Architecture is a project that is building a Linux OS distribution for various cloud use cases. The goal of Clear Linux OS, is to showcase the best of Intel Architecture technology, from low level kernel features to more complex items that span across the entire operating system stack.
CloudLinux is especially designed for shared hosting with the aim to improve stability. It features tenant isolation, kernel level technology to set resource limits per tenant, and more.
the first working free and open source method for optimally running Linux on Microsoft Windows natively. More generally, Cooperative Linux (short-named coLinux) is a port of the Linux kernel that allows it to run cooperatively alongside another operating system on a single machine. For instance, it allows one to freely run Linux on Windows 2000/XP, without using a commercial PC virtualization software such as VMware, in a way which is much more optimal than using any general purpose PC virtualization software
CRUX is a lightweight, i686-optimized Linux distribution targeted at experienced Linux users. The primary focus of this distribution is "keep it simple", which is reflected in a simple tar.gz-based package system, BSD-style initscripts, and a relatively small collection of trimmed packages. The secondary focus is utilization of new Linux features and recent tools and libraries. CRUX also has a ports system which makes it easy to install and upgrade applications.
CTKArch is a minimalistic Arch Linux setup that comes with a set of carefully selected applications and provides maximum hardware support, exclusively using free open-source software.
Cub Linux is a project to recreate the functionality, look and feel of Google's Chrome OS on a conventional desktop, GNU/Linux base system.
Cumulus Linux is a Linux operating system that runs on top of industry standard networking hardware. It is a software-only solution that provides the ultimate flexibility for modern data center networking designs and operations, enabling the best of breed hardware ecosystem and the best of breed solutions ecosystem with a standard operating system, Linux.
Digital Audio & Video Entertainment / Digital Interactive Networked Amusement: created to satisfy all the home entertainment needs of the average hacker.
This is a Custom Debian Distribution (CDD) project. Our goal is to make Debian an OS that children of all ages will want to use. Our initial focus will be on producing something for children up to age 8. Once we have accomplished this, our next target age range is 7 to 12.
DeLi Linux stands for "Desktop Light" Linux. It is a Linux Distribution for old computers, from 486 to Pentium MMX 166 or so. It's focused on desktop usage. It includes email clients, graphical web browser, an office package with word processor and spreadsheet, and so on. A full install, including XFree and development tools, needs not more than 250 MB of harddisk space.
Desktop ROCK Linux
Desktop ROCK Linux is an full-featured workstation and desktop distribution for end-user systems. Based upon ROCK Linux, it features the powerful auto-build system which allows easy customization of the included packages to adapt the distribution to personal needs.
Dettu[Xx] Linux is probably the world's nastiest Linux-Distribution. This is meant for the REALLY masochistic geeks out there.
Devuan is a VUA fork of Debian.
DietLinux is a distribution based on dietlibc. It contains a 2.6.x linux kernel, and will never support older kernels that do not support for devfs and tmpfs. The boot process is optimized for small size, the upcoming 0.2-release should be able to boot from cdrom, floppy or usb-stick on all systems with at least 8mb of RAM.
DiscoverStation is a desktop Linux distribution specifically designed for public access computers. The software also includes Userful's unique "Desktop Multiplier" software. Desktop settings can be easily managed via session profiles which are created and stored via a central Web-portal which lets you customize, update, and view usage reports for hundreds of desktops at once. Key features include time management, Internet filtering, privacy protection, automated clean-up, print-job costing, and much more.
Distro Astro is a project to create a Linux distribution for astronomers and astronomy enthusiasts.
DMZS-Biatchux Bootable CD Distro
DMZS-Biatchux Bootable CD Distro is a Bootable CD Forensics/Virus Scanning/Recovery/PenTesting platform.
DNALinux is a Linux distribution with bioinformatics software pre-installed. If you find hard to install EMBOSS, Primer3, BLAST and other bioinformatics software, DNALinux is for you.
Dropline GNOME is a version of the GNOME Desktop that has been tweaked for Slackware Linux systems. It is available in Slackware's standard .tgz package format, in addition to the usual source code.
Edubuntu is a Linux distribution for education, designed for a teacher or network administrator to setup a classroom quickly and easily. It is a complete operating system built on Ubuntu and includes educational applications bundled in addition to the office suite, web browser, communication and productivity tools. Read more
elementary OS is a Linux distribution based on Ubuntu. It makes use of a desktop with its own shell named Pantheon, and is integrated with other elementary OS applications like Plank (a dock based on Docky), Midori (the default web browser) and Scratch (a simple text editor).
Elysium Project is a collection of projects designed to help improve Linux on the desktop in some way.
A set of Debian GNU / Linux distributions, which transforms in a few minutes a simple computer into a high performance server or firewall installed and configured.
A distro for the desktop-not a server. It is jam packed with all the Windows Killer applications for graphics, games and office work.
Ewrt is the Enhanced WRT linux distribution for the Linksys WRT54G and GS wireless routers. It was forked from the Linksys WRT54G 3.01.3 codebase by Irving Popovetsky and Brandon Psmythe of Portless Networks, a wireless networking company in Portland, OR. The goal of the project is to create a stable and easy to use hotspot-in-a-box for use in community wireless networking projects.
Exherbo is a distribution designed for people who know what they're doing with Linux. It is inspired in many places by Gentoo -- in particular, it supports flexible source-based installation with up-front configuration.
ExTiX Linux is a remaster of Ubuntu 11.10. Previous versions of ExTiX were based on KNOPPIX/Debian.
Exton|OS, Exton|OS Light and Exton|OS Kiosk are based on Ubuntu bit and Debian "Jessie".
Fermi Linux LTS
Fermi Linux LTS is in essence RedHat Enterprise, recompiled. What we have done is taken the source code from RedHat Enterprise (in srpm form) and recompiled them.
fluorite (was illume OS) is an open source and full-featured Linux operating system based on Debian designed to be used in many ways and many areas.
Franki and Earlgrey Linux
Franki and Earlgrey Linux are small but usable (busybox+uClibc, execute-only-environment) linux distributions designed to demonstrate the full extent of STUBS, the Toolchain and Utility Build Suite.
Frugalware is general purpose linux distribution, designed for intermediate users (who are not afraid of text mode). It uses the pacman package manager.
Funtoo Linux is a Gentoo Linux variant which offers native UTF-u support, Git-based Portage tree and funtoo overlay, GPT/GUID boot support and streamlined boot configuration, and much more.
GeckoLinux is a Linux spin based on the openSUSE distribution, with a focus on polish and out-of-the-box usability on the desktop.
Gluster is a GNU cluster distribution aimed at commoditizing Supercomputing and Superstorage. Core of the Gluster provides a platform for developing clustering applications tailored for a specific tasks such as HPC Clustering, Storage Clustering, Enterprise Provisioning, Database Clustering etc.
GNU-Darwin aims to be the most free software distribution. Our mission is two-fold: Focus on projects that leverage our unique combination of Darwin and GNU, and help users to enjoy the benefits of software freedom. (founded November 2000)
GoboLinux is an alternative Linux distribution which redefines the entire filesystem hierarchy.
In GoboLinux you don't need a package manager because the filesystem is the package manager: each program resides in its own directory, such as /Programs/Xorg/6.7.0/ and /Programs/KDE/3.2.2.
Hamara Linux is a distribution based on Trisquel, hence descending from Debian via Ubuntu. Hamara Linux comes in two flavors: Hamara Namaste with a GNOME desktop, and Hamara Sugam with an Lxde desktop.
HandyLinux is based on Debian and Xfce and comes with a special kind of launcher and desktop interface.
Hanthana is a Linux based operating system and a Fedora remix suitable for desktop and laptop users. Hanthana comes to you in the form of a Live CD for regular PC (i686 arc) systems. Hanthana uses ?XFCE, the fast, lightweight desktop environment.
Hybryde Linux is an Ubuntu-based distribution for the desktop. It has the unique ability to switch rapidly between multiple desktop environments and window manager without logging out.
Ignalum Linux is committed to bridging the gap between collaborative open source projects by developing a unique brand of Linux that offers smooth and unequalled integration among programs and between the operating system and system software.
Instant OGo is a Linux-based groupware server distribution. It contains all components required to set up a mail and collaboration server from scratch, including the Linux system software, the Cyrus mail server, and the OpenGroupware.org groupware server.
io GNU/Linux is a powerful operating system that will turn a high-end computer into a state-of-the-art multimedia workstation.
The IPCop Firewall is a Linux firewall distribution. IPCop offers an IPChains based firewall with DHCP server, caching DNS, the Squid web proxy, Snort intrusion detection system, port forwarding, DMZ support and IPSec based VPN support using FreeS/WAN. There is an easy to use web-based admin interface and an SSH server is also available. Read more
IPFire is a source-based linux firewall distribution that brings additional features with it. The easy-to-set-up system defeats its competitiors like IPCop, Smoothwall and Endian-Firewall potty. A stateful-inspection-firewall with a luxuriant content-filtering-engine plus traffic-control (QoS) rounded with latest vpn-technology and a lot of logging is foolproof to administer with just a very few clicks.
Jeoss Linux is a compact install-everywhere Ubuntu based server oriented distribution. It is directly-installable even on legacy, limited resource, and embedded x86 platforms.
K12LTSP is based on RedHat Fedora Linux and the LTSP terminal server packages. It's easy to install and configure. It's distributed under the GNU General Public License . That means it's free and it's based on Open Source software.
Keepod is a pocketable version of Linux for those of us without a computer science degree. It?s a smiling, hardware-encrypted USB card that?ll load a secure, custom OS on top of any public terminal--along with your documents and other media--in just 20 to 30 seconds.
A graphics rich, desktop-enhanced GNU/Linux distribution for newbies and casual users focusing on ease of use.
The Kubuntu project aims to be to KDE what Ubuntu is to Gnome: a great integrated distro with all the great features of Ubuntu, but based on the KDE desktop. Read more
Kwort is a modern and fast Linux distribution that combines powerful and useful applications in order to create a simple system for advanced users who finds a strong and effective desktop. Kwort is based on CRUX, so it's robust, clean and easy to extend.
Lakka is a lightweight Linux distribution that transforms a small computer into a full blown game console.
Leeenux is a complete netbook Linux distribution made for the Asus eee 701G with 2GB and 4GB SSD, but other netbooks can run it as well.
Leetnux is specifically designed for Linux users who want maximum configuratibility. Therefore, the installation is quite hard, absolutely nothing is done "automagically" as in modern Linux distributions, but the user has total control over the installation. The idea behind Leetnux comes from Linux From Scratch, but a Leetnux system is not as "pure" as an LFS system, because a minimal pre-compiled system must be installed.
LibreELEC is ?Just enough OS? for Kodi, a Linux distribution built to run Kodi on current and popular mediacentre hardware.
Lilblue Linux is a security-enhanced, fully featured XFCE4, amd64 Gentoo desktop, built on uClibc.
Lintrack is a small, easy to configure and highly integrated GNU/Linux distribution for routers, firewalls, network access servers, content filters and more. It is targetted especially to small and medium-sized wireless Internet service providers.
Linux Deepin is a Ubuntu derivative that is targeted at improved usability, featuring a carefully tweaked Gnome3 experience.
The goal of Linux Lite is to introduce Windows users to an intuitively simple, alternative operating system. Linux Lite is a showcase for just how easy it can be to use Linux. It is based on Ubuntu, but using the lightweight Xfce as its default desktop environment.
Linux Mint's purpose is to produce an elegant, up to date and comfortable GNU/Linux desktop distribution. Read more
The objective of the lubuntu project is to create a faster, more lightweight and energy saving variant of Ubuntu by using LXDE, The Lightweight X11 Desktop Environment, as its default GUI.
Lunar-Linux is a source based Linux distribution with a unique package management system that builds each software package or module for the machine it is being installed on.
LXLE is based on Lubuntu which is an Ubuntu OS using the LXDE desktop enviroment. It is designed to be a drop-in and go OS, primarily for aging computers. Its intention is to be able to install it on any computer and be relatively done after install.
M.N.I.S LINUX is a Debian metadistribution, fully configured KDE and additional software like RTLinux.
Mageia is a community project which offers a fork of Mandriva.
MakuluLinux is a Debian-based distribution providing a sleek, smooth and stable user experience on any computer.
Mangaka is a desktop Linux distribution originally designed primarily for the fans of Japanese Manga and Anime, but eventually evolving into a complete, beginner-friendly operating system with complete multimedia support.
Manjaro Linux is based on well tested snapshots of the Arch Linux repositories and will be 100% compatible with Arch. Its aim is to create a light Linux distribution which is simple, up to date, fast, user friendly and which follows the K.I.S.S principle. It defaults to the Xfce Desktop Environment.
Matriux is an Open Source security distribution for ethical hackers and penetration testers.
MeX Linux is an open source Linux distribution based on the well known Linux Mint 17.2, Debian Jessie and Ubuntu 15.04 operating systems and built around the latest stable release of the Cinnamon desktop environment, a clone of GNOME 3.
Mnix is a free, simple, and fast i686 distribution, aimed at experienced users. It is a hybrid distribution; both precompiled packages and sources are supplied.
Momonga Linux is a Linux distribution developed in a "Bazaar" model style among its user community.
MostlyLinux is based on Fedora Core 1 with lots of additional software, including multimedia applications, LTSP packages and more
motionEyeOS is a Linux distribution that turns your single board computer into a video surveillance system.
Mythbuntu provides an Ubuntu based MythTV distribution that is easy to configure, maintain, and use. All unnecessary applications such as OpenOffice, Evolution, and a full Gnome desktop are not installed for a Mythbuntu installation.
NASLite+ is a CD-ROM based Network Attached Storage (NAS) Server Operating System designed to transform a basic computer into a dedicated SMB/CIFS, NFS, FTP and HTTP file server. NASLite+ is intended primarily for use in a small business or home office network.
Nelum OS is a light and fast Live installable Linux distribution, based on Debian Sid. The future releases would be based on standard mainstream Linux operating systems.
Neptune is for desktops based fully upon Debian 7.0 ('Wheezy'), except for a newer kernel and some drivers. It ships with a modern KDE Plasma Desktop with its main view on a good looking multimedia system which allows for getting work done.
NethServer is an operating system for Linux enthusiasts, designed for small offices and medium enterprises.
Netrunner is a Ubuntu-based distribution with a focus on desktop computing. It boasts a carefully tuned KDE 4 desktop with many integrated GNOME applications to offer users a selected mix of popular and powerful applications.
NixOS is a Linux distribution based on Nix, a purely functional package management system. NixOS is an experiment to see if we can build an operating system in which software packages, configuration files, boot scripts and the like are all managed in a purely functional way, that is, they are all built by deterministic functions and they never change after they have been built.
NoMad is a linux distribution based on the encap package managing system for ease of installation and upgrades.
OfficeSpot.Net Collaboration Server
The OfficeSpot.Net Collaboration Server is a one-stop solution for all your groupware needs. It is based on Ubuntu 6.06 LTS and is preloaded with eGroupWare, Postfix, OpenLDAP, MySQL, DBMail, Spamassasin, and ClamAV.
Omnia XP is a remastering of Debian GNU/Linux 5.0 Lenny, with a visual interface easily adapted for deployment in small businesses.
Onebase Linux is a community based operating system (OS) based on the linux kernel for PC (x86). It provides several inhouse features and comes with a growing software gallery.
Open Network Installer Environment (ONIE)
ONIE is an installer environment for bare metal switches. It is a small, Linux Operating System (OS) that comes pre-installed on bare metal switches to enable complete separation between the networking gear and the network operating system.
Xange is a Linux distribution, based on Fedora, KDE and Open Source applications.
openSUSE Medical is a distribution of openSUSE made especially to address the needs of doctors. It is based on openSUSE 11.3. It is distributed in the form of ISO image files and VirtualBox/VMWare images.
Oracle Unbreakable Linux
Oracle's Unbreakable Linux (OUL) is Red Hat Enterprise Linux fortified with Oracle's own special Kool-Aid.
Overclockix is a Debian based Live distro for i386 and amd64 based systems customized for overclockers and computer enthusiasts.
Ozon OS will be based on Fedora and will have a Numix-flavored spin on the GNOME desktop.
A Linux distribution for wireless routers that provides WPA Enterprise, VPN, IPS, and web AV capabilities.
paldo is a Upkg driven GNU/Linux distribution. It's kind of a mix of a source and a binary distribution. Even though it builds packages like a source distribution it provides binary packages.
Papyros is a modern operating system which adheres to Google's Material Design guidelines and is based on Arch Linux.
Parrot Security OS
Parrot Security OS is a cloud friendly operating system designed for pentesting, computer forensic, reverse engineering, hacking, cloud pentesting, privacy/anonimity and cryptography. Based on Debian and developed by Frozenbox network.
PCFluxboxOS is a remaster series of PCLinuxOS with Fluxbox as the window manager. PCFluxboxOS gives you all the power of PCLinuxOS through Synaptic and the Control Center, whilst delivering a lightning fast operating system, even on older hardware.
Pear Linux is a fast, stable, and powerful operating system for everyday use. It's completely free to use, study, and share.
Peppermint bills itself as a Linux based operating system that is cloud / web application centric, sleek and user friendly.
PicUntu is an Ubuntu based unix environment, created to run on RK3066 chipset devices.
Pinguy OS is based on Ubuntu 10.04 LTS and is built to have more eye-candy (CoverGloobus, Gloobus Preview, GNOME Do, Docky) than Ubuntu and to be a little bit more user friendly.
Pisi Linux is a Linux distribution based on the old Pardus Linux with its famous PISI package system.
Point Linux aims to combine the power of Debian GNU/Linux with the productivity of MATE, the Gnome 2 desktop environment fork. Point Linux provides an easy to set up and use distribution for users, looking for a fast, stable and predictable desktop.
Proxmox Virtual Environment is an easy to use Open Source virtualization platform for running Virtual Appliances and Virtual Machines.
Puzzle GNU/Linux combines elements from Openbox, Kodi (formerly xbmc) and KDE.
Q4OS is a Debian-based desktop Linux distribution designed to offer classic-style user interface (Trinity) and simple accessories, and to serve stable APIs for complex third-party applications, such as Google Chrome, VirtualBox and development tools.
Qubes is an open source operating system designed to provide strong security for desktop computing. Qubes is based on Xen, X Window System, and Linux.
Quelitu is a Linux operating system based on Lubuntu/Bodhi Linux.
RapidDisk LX is an open source iSCSI Target Linux distribution.
RebeccaBlackOS is a Linux distro using Wayland.
Robolinux is a user-friendly and intuitive operating system based on the latest stable release of Debian.
ROCK is a Distribution Build Kit. You can configure your personal build of ROCK and easily build your own distribution (see the screenshots). It is software for managing operating environments. In a way it is a software development toolkit for building OS solutions.
Rocks Cluster Distribution
Rocks Cluster Distribution is an Open Source High Performance Linux Cluster Solution.
Rockstor is a Network Attached Storage (NAS) and private cloud storage solution based on advanced Linux technologies like BTRFS, Docker and others. In addition to standard NAS features like file sharing via NFS, Samba, SFTP and AFP, advanced features such as online volume management, CoW Snapshots, asynchronous replication, compression, and bitrot protection are supported based on BTRFS.
ROOT Linux is an advanced GNU/Linux operating system originally based on Slackware Linux 7.1. It aims to be fast, stable and flexible.
SL is a Linux release put together by various labs and universities around the world. It's primary purpose is to reduce duplicated effort of the labs, and to have a common install base for the various experimentors. The base SL distribution is basically Enterprise Linux, recompiled from source. Our main goal for the base distribution is to have everything compatible with Enterprise, with only a few minor additions or changes. An example of of items that were added are Pine, and OpenAFS.
Scientific Linux CERN 4
A CERN customized version of Scientific Linux which is assembled from freely available Red Hat Enterprise Linux 4 sources.
Security Onion is a Linux distro for intrusion detection, network security monitoring, and log management. It's based on Ubuntu and contains Snort, Suricata, Bro, OSSEC, Sguil, Squert, Snorby, ELSA, Xplico, NetworkMiner, and many other security tools.
Semplice is based on Debian unstable ("sid") with the goal to provide a simple, fast, lightweight and cool environment.
Sflack Linux is an unofficial port of Slackware to the x86_64 architecture.
SGI ProPack for Linux provides HPC libraries and other system level software to complement and extend a Linux OS distribution to help meet customer demand for solutions to HPC, Storage, and Visualization problems. SGI ProPack is designed and required to be used with SGI Advanced Linux® Environment, which is based on Red Hat Enterprise Linux Advanced Server* for providing the base OS and common system software.
Shilosh OS provides a secure and stable OS, based on highly modified Linux Kernel, own package system, like "BSD Ports". Compatible with x86, Power PC. Easy to use of any level users. Complete Documentantion in many languages. 99% compatible with Windows.
Siduction is a desktop-oriented operating system and live medium based on the "unstable" branch of Debian. The distro was forked from aptosid in late 2011.
Simple Rescue CD
This package is a small Linux rescue CD, suitable for booting systems that have become unbootable due to filesystem corruption or whatever. As an added bonus, everything is loaded into RAM - once the machine has booted, you can remove the CD from the drive.
Simplicity Linux is a small, fast and versatile Linux dstro. It is aimed at regular users.
Simply GNUstep is aimed at providing a OpenStep feeling from bootup on. This is a stripped down distribution than most, so as to provide ease of use.
SME Server is a leading distribution for small and medium enterprises. It stands apart from the competition by shipping with most common functionality preconfigured and features a number of popular additional enhancements in the form of downloadable 'contributions'.
Snappy Ubuntu is a transactionally updated Ubuntu for clouds and devices. Snappy Ubuntu Core is a new rendition of Ubuntu with transactional updates - a minimal server image with the same libraries as today?s Ubuntu, but applications are provided through a simpler mechanism.
SolydX and SolydK are Debian based distributions with the Xfce and KDE desktop.SolydXK aims to be simple to use, providing an environment that is both stable and secure.
Sonar is an accessible distribution using assistive technology built from Ubuntu.
Sorcerer is a source-based Linux distribution for system administrators. The sources are downloaded directly from software authors' homepages and mirrors. Then, they are compiled with the architecture and optimizations that the system administrator specifies. Finally, it is installed, tracked, and archived for easy removal and upgrades. Sorcerer has both command line and menu driven source mangement programs.
Source Mage is a source-based GNU/Linux distribution based on a sorcerous metaphor of "casting" and "dispelling" packages, which we refer to as "spells".
SparkyLinux is a lightweight, fast and simple Linux distribution disigned for both old and new computers featuring customized Enlightenment and LXDE desktops. It has been built on Debian GNU/Linux testing.
Speakimage is a rescue CD based on Linux 2.4.19 with ext3, ReiserFS, XFS, JFS, BeFS, and speakup for the blind. It provides everything required for partitionning and formatting hard disks and making backups of system partitions
SprezzOS is a Debian-based Linux distribution for people who enjoy experimentation, change and a deep understanding of their tools.
stali is a brand new static linux distribution based on the original pre-2010 plans of the suckless.org project, but with a couple of revised goals:
Stampede Linux aims to be designed to both perform tasks and maintain speed and reliability. It is no longer being developed.
StartCom Enterprise Linux
StartCom Enterprise Linux, which is based on the RedHat AS-3 source code, is the ultimate solution for middle sized servers to large data centers. The current version AS-3.0.1 (AS stands for Advanced Server) supports the largest commodity-architecture servers with up to 16 CPUs and 64GB (on X86 systems) of main memory, Global File System - for highly scalable, high performance data sharing in multi-system configurations. Included in this distribution are a comprehensive collection of open source server applications like Mail, File (SMB/NFS), DNS, Web, FTP and a complete desktop environment.
StartCom Linux Developer Edition
StartCom Developer Edition incorporates the best of Enterprise Linux, with addition of the Eclipse IDE. Eclipse provides a fully featured Integrated Development Environment (IDE) based on the open source Eclipse project for application developers.
StartCom Linux MultiMedia Edition
Specially designed for the demanding home user, the MultiMedia Edition lets you easily communicate with your friends and family members over the Internet, browse the news or watching the latest DVD movie you just bought.
StartCom Linux Office Edition
The Office Edition uses the same strong base as the Enterprise Linux, however geared specially for day-to-day office use.
SuperX is built using world?s most advanced open source technologies. It is a composite product of various tried and tested engineering marvels like the Linux kernel, GNU utilities, KDE desktop and many more.
SystemRescueCd is a Linux system on a bootable cdrom for repairing your system and your data after a crash. It also aims to provide an easy way to carry out admin tasks on your computer, such as creating and editing the partitions of the hard disk. It contains a lot of system utilities (parted, partimage, fstools, ...) and basic ones (editors, midnight commander, network tools). It aims to be very easy to use: just boot from the cdrom, and you can do everything. The kernel of the system supports most important file systems (ext2/ext3, reiserfs, xfs, jfs, vfat, ntfs, iso9660), and network ones (samba and nfs). Read more
T2 SDE is not just a Linux distribution - it is a flexible Open Source System Development Environment or Distribution Build Kit (some might even name it Meta Distribution ...). T2 allows the creation of custom distributions with bleeding edge technology, up-to-date packages and integrated support for cross compilation. Currently the Linux kernel is normally used - but we are expanding to Minix, Hurd, OpenDarwin and OpenBSD - more to come.
Tanglu is a modern distribution based on Debian, designed for the desktops of today, developed in the open on a modern development platform.
Tao Linux (pronounced 'dow' Linux) is one of several projects to build a free Linux distribution from the sources used in the Red Hat Enterprise product line.
ThinLinc Client Operating System
TLCOS (ThinLinc Client Operating System) is a Linux Distribution which is adapted for the ThinLinc Client. It can be used to remake an old computer to a dedicated thin client. TLCOS is based on RedHat 7.3.
Tin Hat is a distribution derived from hardened Gentoo. It aims to provide a very secure, stable, and fast desktop environment that lives purely in RAM. Tin Hat boots from CD, or optionally USB pen drive, but it is not a LiveCD in that it does not mount any file system from the boot device. Rather, Tin Hat employs a massive squashfs image which expands into tmpfs upon booting. This makes for long boot times, but remarkable speeds during human-computer interaction.
Singapore based Tomahawk Computers was launched in April 2005 with the goal of creating a modular operating system, in which most components are open source packages
Topologilinux is a free Linux distribution to be run on top or inside your existing windows system. The main thing with Topologilinux is that it does not require any partitioning at all. It uses a single file as a Linux root system.
Turbolinux 10 F... is the latest desktop operating solution from Turbolinux that brings Multimedia to your fingertips. 10 F extends functionality to support a variety of streaming video, audio and multimedia content delivered over broadband. Turbolinux is the Turbolinux was the first Linux distribution company to partner with CyberLink to offer PowerDVD for Linux. Watch DVDs encrypted with CSS (Content Scrambling System) legally.
Turbolinux for AMD64
Turbolinux for AMD64 is a 64-bit Linux operating system specially designed for the AMD Opteron? and AMD Athlon 64? processor families, designed by Advanced Micro Devices (AMD). Turbolinux for AMD64 integrates a variety of powerful and user-friendly features currently available in our Turbolinux operating systems designed for x86-based systems, while fully utilizing the advantages of open source technologies.
Turbolinux Server is a second-generation Linux operating system, incorporating the latest advances available in the 2.6 kernel, and aims to meet your mid-to-high-range server needs. 10S offers speed, security, as well as a suite of carefully selected open source and commercial software to offer users a portfolio of solutions.
UberStudent is an Ubuntu-based distribution on a DVD designed for learning and teaching academic computing at the higher education and advanced secondary levels.
UBOS is a new Linux distro that aims to make it 10x easier to run server-side apps for yourself, or for your family, on hardware you own.
Ubuntu Electronics Remix
The goals of the Ubuntu Electronics Remix operating system are to make Ubuntu easy to use for electronics, to promote the use of 100% and open source applications for electronics, to create a Live CD with electronics programs, and provide good tutorials for using Ubuntu Linux for electronics design.
Ubuntu Multimedia Center
Ubuntu Multimedia Center is a Ubuntu-based Linux distribution.
Ubuntu is the world?s most popular operating system for OpenStack. There?s no faster or more reliable way to build an enterprise-scale cloud, from provisioning to deployment and management.
Ulteo is a new innovative project aimed at simplifying the use of computers for both invividual and corporate users by bypassing installation of applications, and bringing mobility features.
Univention Corporate Server (UCS)
UCS is a standardized and easy to operate Linux-Solution that includes an extensive management system besides the actual operating system. With this identity- and infrastructure-management-system UCS provides, besides its standard services, every important function to manage smaller and larger IT-environments. It fits perfectly into existing systems and is extendable with a great number of certified applications (groupware, backup, fax, network-monitoring, virtualization etc.) by different producers.
Userful Desktop Server
Userful Desktop Server is a multi-station Linux-based operating system that allows a single computer to support multiple simultaneous local users by connecting extra video cards, keyboards, and monitors to a single computer box. It is based on Fedora Core and includes support for multi-user sound, USB keys, USB CD drives, both dual-head and single head video cards, and most USB devices.
Vixta.org is a Fedora-based Linux distro designed to be user-friendly and eye-catching, similar in look and feel to Windows Vista.
VLOS (Vidalinux Desktop OS) is a powerful, stable and easy to use new Linux distribution. The main goal of Vidalinux Desktop OS is to make Linux Operating System easier to use and administer using the right tools for your daily work at Home or Office. The desktop components are based on the best projects of the open source community including GNOME desktop environment, OpenOffice Ximian productivity suite, Mozilla browser, Evolution mail and calendar client, Gentoo Linux system and portage package manager.
Void is a general purpose operating system, based on the monolithic Linux kernel. Its package system allows you to quickly install, update and remove software; software is provided in binary packages or can be built directly from sources with the help of the XBPS source packages collection.
Voltalinux is a GNU/Linux distribution based on Slackware GNU/linux and the pkgsrc package system from NetBSD. This project aims to deliver a prebuilt distribution with the clean design of Slackware and the availability of about 5400 ports (packages) ready to install.
VyOS is a routing/firewall/VPN platform , forked from Vyatta, based on Debian GNU/Linux that runs on x86 hardware and many virtual machine hypervisors.
wattOS is a fast desktop Linux distribution based on Ubuntu. Using the lightweight Openbox window manager as its default user interface, the distribution strives to be as energy-efficient as possible so that it can be used on low-specification and recycled computers.
Whonix is an operating system focused on anonymity, privacy and security, based on the Tor anonymity network, Debian and security by isolation
Wolfer is based on Ubuntu but proclaims to be more elegant and easy to use.
X/OS Linux is a GNU/Linux distribution for business and enterprise users, featuring: a rock solid enterprise-grade operating system for reliable, high-performance computing, enterprise compatibility for easy migration of third-party applications, and long-term availability of security updates and software enhancements.
Xitnalta Alindis served as a case study for a GNU/Linux distribution one could build by following the Alindis documentation. It is now discontinued.
The Xorcom Rapid installs Debian Linux operating system and Asterisk PBX software along with other useful software, and automatically installs your computer from scratch. It does not require the operator to possess any knowledge of Linux for a basic installation.
Xubuntu is a complete GNU/Linux based operating system with an Ubuntu base. It is lighter on system requirements and tends to be more efficient than Ubuntu with GNOME or KDE, since it uses the Xfce Desktop environment, which makes it ideal for old or low-end machines. Read more
Yellow Dog Linux
Yellow Dog Linux is a Fedora / RPM-based operating system for PowerPC computers, offering an intuitive, flexible graphical installer, 1300 packages on 8 CDs (4 Install, 4 Source), a unified KDE and GNOME desktop environment featuring shared menus, applications, and user interface. Read more
YES Linux a distribution that is focused on ease of use, user experience, and the internet. In 2 screens a secure server is installed and administered from a browser. A user should not have to use the console, but can if they wish.
ZevenOS is an Ubuntu-based GNU/Linux distribution with focus on providing a fast and easy-to-use system with BeOS-like user interface and support for older hardware.
Zorin OS is a multi-functional operating system designed specifically for Linux beginners who want to have easy and smooth access to open source software. It is based on Ubuntu