Xubuntu is a complete GNU/Linux based operating system with an Ubuntu base.
Kubuntu is an entirely open source operating system built around the Linux kernel.
Rails is a full-stack framework for developing database-backed web applications according to the Model-View-Control pattern.
The Ubuntu team is excited to bring you the absolute latest and greatest software that the open source and free software communities have to offer.
Beryl is an OpenGL accelerated desktop that seeks to provide a free, open source desktop experience to the community that reflects the wishes of the users.