Mapbender is the geospatial portal site management software for OGC OWS architectures. Mapbender comes with a data model to manage interfaces for displaying, navigating and querying OGC compliant web map and feature services (WMS and transactional WFS). Authentication and authorization are used by the OWS Security Proxy and management interfaces for multi client capable user, group and service administration. The embedded metadata component follows ISO 19119 specification.