A range of related software packages can be used in addition to GeoNetwork opensource to deploy a full Spatial Data Infrastructure. These include Web Map Server software, GIS desktop applications and Web Map Viewers.
Below you will find some examples of open source software available for each categories.
GeoServer (All)[3] http://www.geoserver.org
MapServer (All) http://www.osgeo.org/mapserver
MapGuide Open Source (Windows & Linux) http://www.osgeo.org/mapguide
Other documents: The complete manual in pdf format | License | Readme | Changes