Ubuntu is a community developed operating system that is perfect for laptops, desktops and servers. Whether you use it at home, at school or at work Ubuntu contains all the applications you'll ever need, from word processing and email applications, to web server software and programming tools.

Ubuntu is and always will be free of charge. You do not pay any licensing fees. You can download, use and share Ubuntu with your friends, family, school or business for absolutely nothing

is a officailly supported derivative of Ubuntu that is customised for Education use. Detailed information about the Edubuntu project can be found here.

Edubuntu contains a large number of educational applications including GCompris, KDE Edutainment Suite, and Schooltool Calendar. Edubuntu is developed to enable teachers/lecturers with limited technical knowledge and skills to set-up a computer lab, or establish an online learning environment, in an hour or less, and then administer that environment.

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. openSUSE is now developed in an open model—public development builds, releases, and sources will be posted frequently here and you will have access to our Bugzilla database for defect reporting. You can also sign up on special interest mailing lists to make sure that you are always getting the most recent news on the openSUSE project and the openSUSE distribution