Great description of the pedagogical uses of wikis
This is a new wiki by Steve Hargadon. A promising start. Here is how the site states its aims: Welcome to Classroom 2.0! This site is devoted to the classroom use of Web 2.0 and collaborative technologies. Hopefully, it provides you with a good overview
Kayuda is a web-based visual wiki, a mind-mapping tool, and a non-linear writing tool that allows you to track ideas and the relationships between them. It's free, and any number of people can collaborate simultaneously in real-time. You can have any numb
CITW is a collection of effective strategies culled from a meta-analysis of decades of research on what works in classrooms to improve student learning and increase student achievement.