WhatsApp library for NodeJS that connects through the browser app
Development toolkit for Web Services and XML data bindings for C & C++
A GNU/Linux operating system accessible for visually impaired.
Chat Messenger. E-Mail-Client. Websearch. Filetransfer.
Desktop client for Facebook Messenger
IXSF Messenger is a java-based messenger
Distributed instant messaging system for developers
A Node client for the Facebook Messenger Platform
Instant Messenger Application
Simple and lightweight IM client
Chat Messenger written in Java
Chat Messenger - Open Source Social Network - Online Chess Game
Underground IM is a free Java Instant Messaging solution.
K-Drive Instant Messenger
MSN/Live Messenger chat client for Linux.