A server, running some kind of WikiEngine where you can set up your own WikiForum without having to clone/program/host it yourself. See also WikiHive.
 
	 :	See WikiFarms for a list of available farms in the world!

Note: If you want to start a WikiWiki on a certain subject, you have to start with a group of people who want to discuss this subject in a WikiWiki. Else you might as well make your own Website with a guestbook. ''You could start with a wiki and then find the group; it needn't be the other way around. MontanaRowe''

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From: WikiAsObjectForOpenSourceTeamwork

PmWiki, a WikiEngine, has its own definition of wikifarm. Many wikifields (wiki sites) make up a wikifarm.