Effective collaboration with wikis | DavePress
Buzz Marketing for Technology
JULY 11, 2008
Other hosted options include pbWiki , Stikipad (see comments), Wetpaint and Wikia. It is however easy to set up and open source. Have a conversation about it. The cost for Wikispaces goes from free to Â£4,000 a year, depending on what you are after. Get the content on the wiki.