ncWMS publishes multi-dimensional data (such as environmental and weather data) as an OGC compliant Web Map Service (WMS). ncWMS quickly and efficiently extracts the map images from the very the large data files typically associated with environmental data.

EOxServer is a Python application and framework for presenting Earth Observation (EO) data and metadata.

EOxServer implements the OGC Implementation Specifications EO-WCS, EO-WMS and WPS on top of MapServer's WCS and WMS implementations.

World Wind is a free, open source API for a virtual globe. It provides a rich set of features for displaying and interacting with geographic data and representing a wide range of geometric objects.

deegree is open source software for spatial data infrastructures and the geospatial web. deegree offers components for geospatial data management, including data access, visualization, discovery and security. Open standards are at the heart of deegree.

It comes with an INSPIRE workspace to help to provide the network services as required by INSPIRE

MapProxy is an open source proxy for geospatial data. It caches, accelerates and transforms data from existing map services and serves any desktop or web GIS client.

MapProxy comes with a flexible security API that allows you to add fine-grained control over services and layers. You can even restrict access of single layers to polygon extents.