GeoServer is an open-source software server written in Java that allows users to share and edit geospatial data. Designed for interoperability, it publishes data from any major spatial data source using open standards. GeoServer has a browser-based web administration interface application used to configure all aspects of GeoServer, from adding and publishing data to changing service settings.
v2.3 [Mar 14, 2013]
-A couple new authentication options for LDAP, thanks to Mauro Bartolomeoli for this work.
-The file browser used when defining a new data source once again lets windows users explore the available drives
-Alessio has back ported a fix for creating a data sources referencing a shared file system.
-GeoWebCache has fixes for WMS 1.3.0 and database security (thanks to Jonathan Moules for reporting this one).