Wiki Resources

PBWiki
http://pbwiki.com/

WikiSpaces
http://www.wikispaces.com/

WetPaint
http://www.wetpaint.com/

About Wikis at Answers.com
http://www.answers.com/topic/wiki?cat=technology

Wikipedia
http://en.wikipedia.org/wiki/Main_Page


Blog: Teach with Tech: Wiki Resources
http://teachwtech.blogspot.com/2006/03/k-12-wiki-resources.html

Wikia
http://www.wikia.com/wiki/Wikia