Browse free open source Messaging platforms and projects for Server 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.
A universal instant messaging (IM) program
Development toolkit for Web Services and XML data bindings for C & C++
MSN compatible messenger application
A messaging system designed for home use Created by: Chad Dunn