Reference

Wetpaint
http://wetpaint.com/

Wetpaint - Wetpaint Quick Tour
http://wetpaint.com/demo_win.html

wikiSandbox
http://www.wikisandbox.com/

via

Wiki文法を覚える必要のない次世代型Wiki「Wetpaint」
http://gigazine.net/News/html/lg/001189.htm