freedom to view and augment codebase and redistribute the changes. No Cost: while you can charge for Free Software, it is unusual. Open Source GIS is free in both senses of the word. Thursday, April 19, 12
Oracle Spatial or Esri ArcSDE* PostGIS ArcGIS for Server MapServer or GeoServer ArcGIS for Desktop ArcView MapInfo QGIS GRASS gvSIG Thursday, April 19, 12