Social Network Platform Comparison

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	File Sharing	Storage Space	Forums	Groups	Calendar/ Events	RSS	Other notable features	CIPA	Downsides
Bigtent	yes	unknown	yes	yes	yes	unknown	Facebook Integration Has a built-in money collection tool for group events and fund raisers. Has a built-in polling feature.	13	URL is not customizable
Grouply	no	100mb	no Grouply has a message board feature but it does not offer threaded discussions. Each post is independent.	no	yes	yes	Looks a lot like Ning	Admin determines when they setup the group	free version gives very little storage Does not support threaded discussions Does not support Groups or file sharing.
Mixxt	yes, but as it's own category. Can't attach files to forum posts	unknown	yes	yes	yes	yes	Highly customizable. Simple interface. Has wiki feature	12	Templates are not as visually appealing as other networks.
Grou.ps	yes, but as it's own category. Can't attach files to forum posts	10GB	yes	yes	yes	yes	Highly customizable. Many template choices. Easy to use interface. Looks and feels a lot like Ning. Has many features that Ning doesn't even offer such as a site search engine, map modules, wiki pages, a file download module, and games. Integrates with Google Gadgets.	IDK	still in beta, who knows if it will remain free, could suffer the same fate as Ning
WackWall	no	unknown	yes	no	yes	no	Simple interface	IDK	very limiting no layout or feature customization for admin

Conclusion:

Grou.ps hands down wins this battle and is a serious contender that could rival Ning even if Ning kept it's free accounts.