A wiki farm is a third party that hosts your wiki, a collaborative Web site that allows authorized users — or in some cases, anyone with an Internet connection — to rapidly and easily change the content of pages, as well as view a history of changes that others have made.
In TechSoup's article
Exploring the World of Wikis, we review several public, private, and protected wiki farms, including BluWiki, EditMe, EditThis.info, JotSpot, PB Wiki, Wikia, and Wikispaces. Have you used any of these services? What was your experience?
If you are new to the concept of a wiki,
Exploring the World of Wikis offers an overview of the medium, along with questions for evaluating whether a wiki is right for your organization. If, after reading the article, you have questions about wikis, share them here in our forums.