OSGeo - Open Source Geospatial Foundation

Preferred license: GNU General Public License (GPL)
OSGeo is an incorporated not-for-profit organization serving as an umbrella organization for the Open Source Geospatial community in general, and 14 projects in particular.
Actual source code produced by the student participants in Google Summer of Code™ for OSGeo - Open Source Geospatial Foundation can be found here.
 
Current Projects
by Rosen Ivanov Matev, mentored by Wolf Bergenheim
by Christian Mueller, mentored by Simone Giannecchini
by Siddharth Prakash Singh, mentored by Christoph Baudson
by Christopher DeMars, mentored by Scott Landon Blake
by Etienne Dubé, mentored by Thierry Badard
by Martin Landa, mentored by Michael Barton
by M. Suta, mentored by Arne Kepp
by Josef Bezdek, mentored by Jan Jezek
by Leonard Joseph Kne, mentored by Christoph Baudson
by Petr Pridal, mentored by Howard Butler
by Erik Hazzard, mentored by Christopher Schmidt
by Leandro Leal Parente, mentored by Scott Landon Blake
by Anne Ghisla, mentored by Timothy H. Keitt