The open source product is the Open Government Platform: http://www.opengovplatform.org/ http://www.opengovplatform.org/ Another solution is CKAN, maintained

The open source product is the Open Government Platform: http://www.opengovplatform.org/ http://www.opengovplatform.org/ Another solution is CKAN, maintained by the Open Knowledge Foundation, which actually does run data.gov.uk http://ckan.org/ http://ckan.org/ http://data.gov.uk/project#q6 http://data.gov.uk/project#q6