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Ubuntu is a complete Linux-based operating system, freely available with both community and professional support. It is developed by a large community and we invite you to participate too!
Debian is a free operating system (OS) for your computer. An operating system is the set of basic programs and utilities that make your computer run. Debian uses the Linux kernel (the core of an operating system), but most of the basic OS tools come from the GNU project; hence the name GNU/Linux.
FreeBSD is an advanced operating system for x86 compatible (including Pentium and Athlon), amd64 compatible (including Opteron, Athlon64, and EM64T), UltraSPARC, IA-64, PC-98, (32-bit and 64-bit) MIPS and ARM architectures. It is derived from BSD, the version of UNIX developed at the University of ... [More]
Kubuntu is a a user friendly operating system based on KDE, the K Desktop Environment. With a predictable 6 month release cycle and part of the Ubuntu project, Kubuntu is the GNU/Linux distribution for everyone.
The openSUSE project is a community program sponsored by Novell. Promoting the use of Linux everywhere, openSUSE.org provides free, easy access to the world's most usable Linux distribution, openSUSE. The openSUSE project gives Linux developers and enthusiasts everything they need to get started with Linux.
Mandriva Linux is a community-based Linux distribution, suitable for a wide range of solutions: from clustering to servers, firewalls and - most commonly - desktops. Mandriva Linux has a long history of open development, especially via the "Cooker", a fluid distribution that resembles a stable release for a few weeks every six months.
ALT Linux is a set of Linux distributions that are based on Sisyphus, an APT-enabled RPM package repository that aims to achieve feature completeness, usability, and security in a sensible and manageable mixture.
DragonFly is an operating system and environment originally based on FreeBSD. DragonFly is developing a radically different approach to concurrency, SMP, and most other kernel subsystems. DragonFly belongs to the same class of operating system as BSD and Linux and is based on the same UNIX ideals and APIs.
The AROS Research Operating System is a lightweight, efficient and flexible desktop operating system, designed to help you make the most of your computer. It's an independent, portable and free project, aiming at being compatible with AmigaOS 3.1 at the API level (like Wine, unlike UAE), while ... [More]
HelenOS is a microkernel-based multiserver operating system designed from scratch. It decomposes key operating system functionality into many isolated, intensively communicating server processes that reside entirely in user space. HelenOS thus provides a computing environment that has several ... [More]
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