Server supporting the Signal Private Messenger applications on Android
Distributed instant messaging system for developers
A reference implementation of the SimpleX Messaging Protocol
Android Matrix messenger application using the Matrix Rust SDK
Monitors Android mobile phone text messages, calls, and notifications
Home to the Signal Protocol and other cryptographic primitives
Development toolkit for Web Services and XML data bindings for C & C++
Software per Call Center
Smoke: Android Crypto Chat Messenger
A glossy Matrix collaboration client for Android
IXSF Messenger is a java-based messenger
Messaging app with client server architecture.
Instant Messenger Application
A small (ish) messaging server for anything you can think of
simple yahoo messenger client
Chat Messenger written in Java
Underground IM is a free Java Instant Messaging solution.
A Java RMI base messenger which works on LAN