Unsure what a Linux distribution is? Read the Linux Distribution Guide
Server optimized Linux: independent from other Linux distributions, it was built from the original source packages and is optimized for heavy-duty server work. It contains all common server applications, and features XML boot and script technology that makes it easy to configure and make the server work
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
Specifix has built a Linux distributions around the Conary system to both showcase the abilities Conary provides and to provide a starting point for customization. This disitribution is still immature, but we encourage anyone interested in Conary and flexible Open Source solutions to give it a try.
SprezzOS is a Debian-based Linux distribution for people who enjoy experimentation, change and a deep understanding of their tools.
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.
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.
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 Light is a simplified version of Ubuntu. It?s perfect as a companion to Windows for a fast web experience or as a standalone operating system for use in mobile and embedded devices.
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.
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.
Vyatta is a Linux-based router, firewall, and VPN server. It is meant to deliver a flexible, affordable alternative to Cisco 1800 through 7200 series routers.
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.