Wiki

From EnterWiki Meta

This stub is related to the running and administration of EnterWiki, or is a resource for editors and writers and needs to be filled out. If you are considering filling it out, some good places to check would be both the google and related Wikipedia search pages. You can help expand it by clicking the Edit tab at the top of the page.

A wiki is a information-sharing system that allows anybody to edit the content of it's pages. It is very well interlinked and tightly knit surface on which to build a website.