iPath is providing an free and open plattform for "case based collaboration", especially designed for medical applications (telemedicine, etc). The iPath-Server package provides a sort of medical BBS to discuss/consult cases online. Additional modules
This project is the result of an effort by NITLE ( http://www.nitle.org/) to integrate Marratech e-meeting functionality (via the public, exposed Java API) into the Moodle ( http://moodle.org/ ) OSS Learning Management System.
ele (enCore Learning Environment) is a moo- and web-based environment (server, db, GUI) designed for educational purposes. It aids and promotes online learning and community building through open standards and ease of use. http://encore-consortium.org/
amfPHPChat is a Chat server and clients based on amfphp, (www.amfphp.org). It features a web-based installation & admin interface, client templates, a development API, smileys, sounds, multiple chatrooms, Mambo CMS integration and lots more.