django Organice 
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All-in-one collaboration solution. For non-profit organizations, sports clubs, small to medium-sized businesses.
django Organice is a nice way to run a collaboration platform, an intranet, and websites for your business. It’s a compilation of the best Django packages, preconfigured for getting you started quickly. Being powered by the well-known Django Web framework it’s a safe choice for your IT investment providing an easily extensible architecture.
Also available in the cloud. Nice, very nice, http://organice.io