Wiki farms are a great way to get involved in a wiki community or start your own wiki. Wiki farms usually allow a single login access to multiple wikis, and often allow a global search across all hosted wikis.
The Alexa ranking given indicates how popular the website is compared to all other websites on the Internet with a ranking of 1 being the most popular website, 2 being the second most popular, etc.
22. Wikispot
Features: RSS support, Track changes across wiki farm, customizable themes
Alexa Rank: 599,526 (12/21/07)
23. Jotspot
Features: WYSIWYG editor, email integration
Alexa Rank: 614,273 (12/21/07)
*Recently aquired by Google
