The newest project by Ward Cunningham in the WikiWorld, the Smallest Federated Wiki is a personal wiki that is easily sharable.
http://LinkPl.us/SmallestFederatedWiki
announcement of start of project, Amber Case introduces it
Ward Cunningham’s Smallest Federated Wiki Paves Road To Our Curated Future
Smallest Federated Wiki workshop with Ward Cunningham on Thursday, Oct. 13, 2011 at PIE
Remote Sensing with Federated Wiki
Timeline of "distributed Wikipedia" proposals
Kill Ring Blog: Federated Wikis