There are several different versions of Ubuntu, some with a different desktop and others for a specific market. Here is some information about them.
Kubuntu is an official derivative of Ubuntu using the KDE environment instead of GNOME. It is part of the Ubuntu project and uses the same underlying system. It is an exciting distribution that showcases the full potential of the KDE desktop. Kubuntu shares the same repositories as Ubuntu, and relies on the same underlying architecture.
Edubuntu is an official derivative of Ubuntu designed for use in classrooms. It contains a large number of educational applications including GCompris, KDE Edutainment Suite, and Schooltool Calendar. Edubuntu is developed in collaboration with teachers and technologists across multiple nations. It enables 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.
Xubuntu is an official derivative of Ubuntu using the Xfce desktop environment. It is intended for users with less-powerful computers, or those that require a highly efficient desktop environment on faster systems. Xubuntu features primarily GNOME applications.
Gobuntu is a derivative of Ubuntu for people who desire a desktop environment that adheres to the Free Software Foundations four freedoms. It excludes binary-only drivers and strives to ensure that no software is included that puts restrictions on distribution of artwork.
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