OSGeo is a non-profit organization serving as an umbrella organization for the Open Source Geospatial community in general and 19 (to 24) code projects in particular:

Web Mapping: deegree, GeoServer, Mapbender, MapBuilder, MapFish, MapGuide Open Source, MapServer, OpenLayers

Desktop Applications: GRASS GIS, OSSIM, Quantum GIS, gvSIG

Geospatial Libraries: FDO, GDAL/OGR, GEOS, GeoTools, MetaCRS, PostGIS

The following are sub-projects of MetaCRS:

• CS-Map, GeoTIFF/libgeotiff, PROJ.4, Proj4J, Proj4js, SpatialReference.org

Metadata Catalog: GeoNetwork

Other (non-code) Projects: Public Geospatial Data, Education and Curriculum