GeoServer

GeoServer is an open source server that connects your information to the Geospatial Web. GeoServer allows to publish and to edit data using open standards. The information is made available in a large variety of formats as maps/images or actual geospatial data. GeoServer's transactional capabilities offer robust support for shared editing. GeoServer supports WFS-T and WMS open protocols from the OGC to produce JPEG, PNG, SVG, KML/KMZ, GML, PDF, Shapefiles and more. GeoServer is built on Geotools.