Android Chat SDK ➜ Stream Chat API. UI component libraries for chat
Anti-Spam SMTP Proxy Server implements multiple spam filters
A free and reliable P2P BitTorrent client
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.
Search, Download, Play, Share on Bittorrent and the cloud
Psi+ Project — development branch of Psi XMPP client
A free course management system (CMS) to create online learning sites
SMTP email proxy and relay server
Library to control radio transceivers and receivers
Manage port forwardings via UPnP
A GTK+ Gnutella client, optimized for speed and scalability
Linux Infrared Remote Control
VoIP SIP and SKINNY quality analyzer and packet / audio recording tool
Development toolkit for Web Services and XML data bindings for C & C++
Powerful Open Source Email Marketing app with analytics & segmentation
mailbox synchronizer