Development toolkit for Web Services and XML data bindings for C & C++
VICIdial Contact Center Suite
Standalone chat system developed in php, mysql and javascript
Simple open source php based HTML5 rich web chat system
Web based SMS Chat app delivering messages through SMS Gateways
free chat system
IRC client
Update XMPP Status from Google Latitude Location
A faster version of Xoops optmized for speed
NOT UNDER ACTIVE DEVELOPMENT (sorry)