GeoNode is an open source platform that facilitates the creation, sharing, and collaborative use of geospatial data.
JavaScript - Released: 03 Jun 2010 - 1,380
Web based version of SAFE. More information available at http://inasafe.org
Python - Released: 27 Jul 2012 - 2
Lean and mean geospatial layers management, based on Django
Python - Released: 16 May 2013 - 5