Wikis and wiki-blends

PBWiki found at http://pbwiki.com/

Wikispaces found at http://www.wikispaces.com/

Wetpaint found at http://www.wetpaint.com/

Website hosts

Webs (formerly freewebs)  found at http://www.webs.com/

Video host sites

Youtube

Teachertube, found at http://teachertube.com/

Excellent screen capture/still capture software from Techsmith found at http://jingproject.com/

Other sites for web 2.0 information

http://school.discoveryeducation.com/schrockguide/edtools.html

http://www.kn.att.com/wired/fil/pages/listweb20s.html

http://webtools4u2use.wikispaces.com/About+This+Wiki