8 Great Tools for Private Social Networks and Online Communities: The 2011 Edition
Forum One
FEBRUARY 12, 2011
It offers a very nice blend of social networking and web content management functionality, and is very customizable. It has more of a task / project management focus compared to Drupal Commons. WordPress 3.0 (and Open Atrium. and BuddyPress). It is also quite expensive. SocialText.
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