Email List manager
by mainly Barry Warsaw barry@python.org
developer info http://www.list.org/devs.html
design ideas http://www.zope.org/Members/bwarsaw/MailmanDesignNotes/FrontPage
ZMailman planned integration with Zo Pe
Semantic Web ideas http://www.mindswap.org/cgi-bin/webai/moin.cgi/SemanticWebMailman