This web site: 
* Contains thousands and thousands of interconnected pages mostly about Software Engineering. See WikiHistory.
* Is totally open - '''Anyone can edit and write any page!''' When I say anyone, it really means absolutely ANYONE, ANYWHERE can edit and write any page. Consequences can run very deep. Check out WhyWikiWorks.

To learn some of the editing basics, try the following tutorial:
* BriefTutorial (text)