Browse free open source Messaging platforms and projects for Desktop Operating Systems below. Use the toggles on the left to filter open source Messaging platforms by OS, license, language, programming language, and project status.
You can message and share files inside your intranet without a server.
Development toolkit for Web Services and XML data bindings for C & C++
small, fast, java messenger
A messaging system designed for home use Created by: Chad Dunn
Simple Peer to Peer IM is a non-commercial messaging solution.
Underground IM is a free Java Instant Messaging solution.