OGCkete - Helping you to use OGC Web Services - Free Software and Services

Download free OGC compatible GIS desktop software

QGIS - uDig - gvSIG - SAGA - GRASS

Quantum Map - A NIWA preloaded OGC web services version of QuantumGIS

Download free open source OGC compatible viewers

Gaia - ArcGIS Explorer Desktop - Geomedia Viewer - Google Earth

Free cloud GIS Mapping hosting sites - Generally with some limitations

QGIS Cloud - CartoDB

Free OGC software stacks that cover all your needs

OSGeo.org - OpenGeoSuite

Free SDI stack

GeoNode