KnowNet – Open Source for Collaborative Knowledge Development and Learning

This few days we have been talking about looking at Open Source Software (OSS) for possible applications in schools, to support teaching and learning. Chanced open this site(KnowNet), home to 2 OSS, namely Plone and Zope.
For future reference purpose:

Zope is an open source application server for building content management systems, intranets, portals, and custom applications.

Plone is ideal as an intranet and extranet server, as a document publishing system, a portal server and as a groupware tool for collaboration between separately located entities.