The first messaging platform operating without user identifiers
Private messenger for Windows, Mac, and Linux
A New Kind of Instant Messaging
A reference implementation of the SimpleX Messaging Protocol
Full featured live chat, support & marketing platform
A universal instant messaging (IM) program
Free and Open Source messaging and emailing app
Development toolkit for Web Services and XML data bindings for C & C++
A GNU/Linux operating system accessible for visually impaired.
Software per Call Center
IXSF Messenger is a java-based messenger
MSN compatible messenger application
Simple and lightweight IM client
A multi-protocol instant messaging app for Mac OS X
Chat Messenger written in Java