Ubuntu - a community developed Canonical, Linux-based operating system that is ideal for use on personal computers, laptops and servers. It contains all the tools you need: Viewer Internet, office suite for word processing, spreadsheets and presentations, programs for communication on the Internet, and many others.All programs and system components are updated at the time of 14.03.2012g.

Developers OS4 (formerly project was called PC / OS) issued correction release of its distro. OS4 is a user-friendly desktop and server distribution based on Xubuntu, its main features are support for many popular plug-ins for browsers, third-party software to work with multimedia content creation and development, as well as the innovative layout of the desktop.

Bridge Linux is based on Arch Linux, and includes a graphical user interface and a number of standard applications. It comes in four different versions with a choice of GNOME, KDE, Xfce or LXDE for the two major architectures.

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. Regardless if you’re making BackTrack your primary operating system, booting from a LiveDVD, or using your favorite thumbdrive, BackTrack has been customized down to every package, kernel configuration, script and patch solely for the purpose of the penetration tester.

Based on Ubuntu Lucid LTS. Kernel 2.6.38, patched with all relevant wireless injection patches.

Ubuntu ShE - linux distribution based on Ubuntu, a community developed operating system, which is ideal for use on PCs, laptops and servers. It contains all the tools you need: a browser for viewing Web sites, office suite for word processing, spreadsheets and presentations, programs for communication on the Internet and many other useful applications.

Ubuntu Studio - linux distribution based on Ubuntu, designed for enthusiasts and professionals, creative people working with the media - video, audio and graphics. Ubuntu Studio has a collection of open-source software required for multimedia.

ALT Linux 6.0.1 KDesktop - Adjustment release distribution with custom graphical user interface based on KDE. The conclusion for the professional work: the Internet, with documents with complex graphics and animation for video and audio processing, software development and education.

Toorox - German distro Linux, based on Gentoo. Uses startup scripts KNOPPIX. One of the features of distribution - using only the RAM and swap space, if available. The new version of KDE-Toorox includes kernel version 3.2.2-gentoo, KDE 4.8.1, Xorg-Server 1.11.4, LibreOffice 3.4.5.2, VLC 2.0, IceCat 10.0.1, K3b 2.0.2, Gimp 2.6.12, Wine 1.4, Amarok 2.5.0, Audacious 3.2.0, Ardour 2.8.12, Kino 1.3.4, Cinelerra 20,111,223 and other components.