Ontolog Forum
Ref: WikiPedia:wiki & Wiki:WikiWikiWebFaq
See also: articles under "More about Collaborative Work Environments" at http://ontolog.cim3.net/cgi-bin/wiki.pl?WikiHomePage#nid2U
Other Resources:
- Wiki Means Fast: Online collaborative sites open to everyone enable the sharing of ideas - by Aliya Sternstein, April 4, 2005; on FCW.com & on USAToday.com