Wiiski is meant to be an advanced version of Twiki. It has some nicieties which if I remember correctly allowed for IRC like submitions. It also had some of the templating that Twiki has been recently been adding/releasing. Oh, and it was one of the first Wikis that actually looked good.

URL: http://wiiski.renewal-iis.com/wiiski

The FreshMeat entry http://freshmeat.net/projects/wiiski/

-- fozbaca