AulaWiki 0.1 was completely rewritten, and since then it offered a more general set of tools that can be used not only for school (Project management, groupware...). Read how to get the latest version at http://edu.tiki.org
The most important concept implemented on AulaWiki, is Workspaces. It allows groups administration of Tiki resources (users, groups, wiki pages, blogs....).
A workspace can be every thing that you define: a course, a student group, a project....
An example of its usage for production (to produce its own manual in three languages can be seen here:
Original post in "Sociable!" blog (Spanish):