WikiWiki
WikiWiki - a collaborative software application, enabling web documents to be authored collectively using a simple markup scheme and without the content being reviewed prior to its acceptance. Often called Wiki for short.
A WikiWikiWeb is a collaborative hypertext document produced by a community of users by means of a WikiWiki tool.
The original WikiWikiWeb was established by WardCunningham, who invented and named the Wiki concept, and produced the first implementation of a WikiWiki server.
Ward's Wiki remains one of the most popular Wiki sites: