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I'm looking at GeoGit/GeoServer/OpenGeo Suite. It's all open source, but packaging OpenGeo Suite looks like a nightmare since it depends on Maven 2 and F20 only appears to have Maven 3. https://github.com/boundlessgeo/suite. I might try building GeoServer with Maven 3 just to see what happens. http://docs.geoserver.org/latest/en/developer/quickstart/index.html