GeoServer is an open source server that will allow you to connect your information to the Geospatial Web.
With GeoServer you can publish and edit data using open standards. Your 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 can be used to connect from legacy databases to diverse clients.
The application comes with support for WFS-T and WMS open protocols from the OGC to produce JPEG, PNG, SVG, KML/KMZ, GML, PDF or Shapefiles.
The portable version of the software can be found here.

What's New in This Release:
· Errors are not thrown anymore when a gridset is added to geowebcache.xml and geoserver restarted [GEOS-5288]
Also, looking at the corresponding GeoTools release changelog we have the following extra goodies in:
· Setting PK_METADATA_TABLE for JDBCDatastore without schema does not end in illegal statement anymore [GEOT-4192]
· “property” filter function did not work anymore after style and filter attribute extractor got updated to support complex features [GEOT-4393]
· Added an optional geometry_columsn metadata table for the SQLServer store [GEOT-4252]
· Speeded up expensive/redundant table existance check in MetadataTablePrimaryKeyFinder [GEOT-4391]
· some GeometryBuilder related fixes [GEOT-4373] and [GEOT-4377]
· ReprojectingFilterVisitor didn’t reproject function parameters [GEOT-4378]
· Teradata couldn’t resolve tesselation index view [GEOT-4379]
· Oracle dialect use of SDO_TUNE.EXTENT_OF – didn’t include schema [GEOT-4383]
· SE 1.1 graphic fill was not being parsed [GEOT-4384]
· Filter.INCLUD...