FreeBSD

OpenIndiana is a robust enterprise operating system, based on the illumos kernel. It is open source, free to use, community developed, and suitable for servers and desktops. It forked from …

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 (DFSG). …

Salix OS is a Slackware Linux distribution that is simple, fast, easy to use and compatible with Slackware Linux. Optimised for desktop use, Salix OS features one application per task, …

Windows 95 was the one of the biggest steps in terms of ideals of how should an OS work and what appearence should follow.

The first version of Windows released to market that had a GUI that radically changed the concept of OS.

Windows 2000 is the successor to Microsoft's Windows NT. It is primarily designed for business users; its counterpart for home users is Windows ME. Support for Windows 2000 ended in …

Vine Linux is a supreme Linux distribution with integrated Japanese environment for desktop PCs and notebooks. Project Vine was founded by six members of the Project Japanese Extension (JPE) in …

The community-oriented Unity Linux is a minimalist distribution and live CD based on http://suse.me/apps/mandriva-linux. The project's main goal is to create a base operating system from which more complete, user-oriented …

TinyMe is a Unity Linux-based mini-distribution. It exists to ease installation of Unity Linux on older computers, to provide a minimal installation for developers, and to deliver a fast Linux …

Symphony OS is a Live CD Linux-based operating system, developed by Ryan Quinn, Jason Spisak, and Alexander Drummond. The distribution was dormant until 29 June 2011, when a new build …

SolydX and SolydK are http://suse.me/apps/debian/ based distributions with the http://suse.me/apps/xfce/ and http://suse.me/apps/kde/ desktop. SolydXK aims to be simple to use, providing an environment that is both stable and secure. Soly...

Scientific Linux is a recompiled Red Hat Enterprise Linux, co-developed by Fermi National Accelerator Laboratory and the European Organization for Nuclear Research (CERN). Although it aims to be fully compatible …

Illumos is a derivative of OS/Net (aka ON), which basically is a Solaris/ OpenSolaris kernel with the bulk of the drivers, core libraries, and basic utilities. It is dependent on …

gNewSense is a fully free software GNU/Linux distribution. Free software is software that respects your freedom. You can use it without restrictive licenses, make copies for your friends, school or …

Pardus is a GNU/Linux distribution funded and developed by the Scientific & Technological Research Council of Turkey. Pardus has a range of unique features, such as Mudur, a start-up framework …

The purpose of Pear Linux is to create an operating system based on Linux (Ubuntu mini remix) and propose a simple but powerful interface. Pear Linux is free (thanks to …

Arch Linux is an independently developed, i686- and x86_64-optimised Linux distribution targeted at competent Linux users. It uses pacman, its home-grown package manager, to provide updates to the latest...

lubuntu is a faster, more lightweight and energy saving variant of Ubuntu using LXDE , the Lightweight X11 Desktop Environment.

Xubuntu is a lightweight variant of Ubuntu that uses the Xfce desktop environment, which is designed for low-powered computers. Whether you use it at home, at school or at work, …

Jolicloud is a new operating system for netbooks. The OS provides a beautiful interface, an application directory and a set of social features that make it easy and fun to …

SteamOS is a Debian based Linux distribution designed to run Valve's Steam and Steam games. It also provides a desktop mode (GNOME) which can run regular Linux applications. In addition …

KolibriOS is a tiny yet incredibly powerful and fast operating system. This power requires only a few megabyte disk space and 8MB of RAM to run. Kolibri features a rich …

Tas OS is fork of the Ubuntu operating system.customize to provide a stable GNOME environment with integrated applications.project goal is to promote opensource softwares and provide with alternative to...

Qubes is an open source operating system designed to provide strong security for desktop computing.

CentOS is a community-supported, free and open source operating system based on Red Hat Enterprise Linux. It exists to provide a free enterprise class computing platform and strives to maintain …