This effort represents an attempt to build a complete index of Open Source /
Free GIS related software projects. 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
This effort stands on the sturdy shoulders of other projects, most notably
OSRS , FreeGIS.org, Metalab Linux Archive, and Fresh Meat.net.
Descriptive text gathered from the project site is in quotes. Almost all of
these projects fit the definition of Open Source Software as defined by the Open
Source Initiative, and most of them fit the stricter definition of Free Software
as defined by the Free Software Foundation.