Effective collaboration with wikis | DavePress
Buzz Marketing for Technology
JULY 11, 2008
Other hosted options include pbWiki , Stikipad (see comments), Wetpaint and Wikia. MediaWiki - the platform that Wikipedia, amongst many other wikis, runs on - is probably the best of the free self-hosted options. It is however easy to set up and open source. Get the content on the wiki. There is no tenth point.
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