Open Source GIS
An index of Open Source / Free GIS related software projects (GIS applications).
"This effort represents an attempt to build a complete index of Open Source / Free GIS related software projects (GPL). The effort has some way to go, especially for projects in languages other than English. The definition of GIS has been kept loose to encompass a broad range of projects which deal with spatial data." [from Website]
GIS/Mapping
International