Instant messaging platform
A New Kind of Instant Messaging
Berty is a secure peer-to-peer messaging app
A glossy Matrix collaboration client for Android
Instant messaging server for the Extensible Messaging
Distributed instant messaging system for developers
Node.js based forum software built for the modern web
Scalable real-time messaging server in a language-agnostic way
The very last word in instant messaging
Matrix reference homeserver
You can message and share files inside your intranet without a server.
Smoke: Android Crypto Chat Messenger
A universal instant messaging (IM) program
Development toolkit for Web Services and XML data bindings for C & C++
Linux designed to defeat state censorship and surveillance.
Chat Messenger. E-Mail-Client. Websearch. Filetransfer.
Cerberus Content Management System
Chatbot platform for various instant messenger
IXSF Messenger is a java-based messenger
Open-source social network CMS and mobile apps.
Internal communication software for business
WebRTC complete web based Party Line Voice Chat Script