a new kind of collaboration tool which is essentially a website authored by both students and teachers

a web building tool that is writen in 'SQUEAK' a version of the smalltalk programming language

a website where any of its users can add to or edit any of the pages in the site

A swiki (Squeak WIKI) is a wiki written in Squeak. They are fairly commonly used by the Georgia Institute of Technology's College of Computing as collaborative group web pages. It is also used in K-12 education and has been used successfully with 4th graders and higher.