This was done as a Google Summer of Code project in 2007.
Sahana is also a participating project in Google Summer of Code.
Gephi has been selected for the Google Summer of Code in 2009, 2010, 2011, and 2012.
Pardus participated in Google Summer of Code 2008 and 2009.
In 2012, it was one of the projects selected for the Google Summer of Code.
The latter was part of Google Summer of Code 2005.
Development has also been funded through the Google Summer of Code program.
It was attempted as a Google Summer of Code project in 2011, but was not successful.
It was implemented as a Google Summer of Code 2009 project.
It was mostly written during the Google Summer of Code 2008.