WhatsApp library for NodeJS that connects through the browser app
A New Kind of Instant Messaging
A file downloader library for Android with pause and resume support
Android Chat SDK ➜ Stream Chat API. UI component libraries for chat
A realtime distributed messaging platform
A free and reliable P2P BitTorrent client
Anti-Spam SMTP Proxy Server implements multiple spam filters
Weak signal ham radio communication
A universal instant messaging (IM) program
Ham Radio Digital Modem Application
You can message and share files inside your intranet without a server.
SMTP email proxy and relay server
A free course management system (CMS) to create online learning sites
Search, Download, Play, Share on Bittorrent and the cloud
Psi+ Project — development branch of Psi XMPP client
Document Management System and Content Management System
Library to control radio transceivers and receivers