From OSGeo Wiki
The Open Source Geospatial Foundation, or OSGeo, is a not-for-profit organization whose mission is to support the collaborative development of open source geospatial software, and promote its widespread use.
This is the community Wiki of OSGeo. Please refer to the official web site at http://www.osgeo.org/ for stable documents and policies.
This Wiki is the place where documents can be created collaboratively (ie. adoption processes, user hints, suggestions, committee notes, etc.). All web pages that are adopted as official documents are managed using SVN and will be published on the OSGeo web site which is is the only official site for documents.