Sugar
Sign in to savefree desktop environment based on GTK+
Official website
SugarLabs
sugarlabs.org →Link to the official site · 40,000 chars · not written by Vinony
Source code
Sugar is the desktop environment component of a worldwide effort to provide every child with an equal opportunity for a quality education. Available in more than twenty-five languages, Sugar Activities are used every school day by children in more than forty countries. Originally developed for the One Laptop per Child XO-1 netbook, Sugar can run on most computers. Clone the repository, run autogen.sh , then make and make install .
Excerpt from the source-code README · 1,539 chars · not written by Vinony