Open Source Geospatial Foundation
www.osgeo.org
Maptools
www.maptools.org
FreeGIS
www.freegis.org
FreeGIS Tutorial
www.freegis.org Tutorial
Open Source GI
www.opensourcegis.org
GRASS
grass.itc.it
QGIS
qgis.org
UDIG
udig.refractions.net/confluence/display/UDIG/Home
OpenJUMP
openjump.org
UMN MapServer
mapserver.gis.umn.edu
PostgreSQL
www.postgresql.org
PostGIS
postgis.refractions.net
MapBender
www.mapbender.org
