The IRC's Talking Robot
[ Please read https://sourceforge.net/p/darkbot/news/2014/01/darkbots-revitalization/ ] Darkbot is a portable IRC chat robot written in the C language that can be taught responses to user inquiries, and even have conversations with them. Darkbot was originally created by Jason Hamilton as an aid for help channels on Intenet Relay Chat.
cdBB [Coldfusion Driven Bulletin Board] is an open-source message board written using technologies like Coldfusion, XML and Java. It goals to be a complete open source enterprise solution for online communities.
pyERP is an ERP (Enterprise Resource Planning) tool written in Python intended to handle the administration of Small/Medium and Large Companies using web standards. This product runs on Zope (App Server/CMS), uses MySQL (RDBMS) and also ZODB (Object DB).