A New Kind of Instant Messaging
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
SMTP email proxy and relay server
Library to control radio transceivers and receivers
Development toolkit for Web Services and XML data bindings for C & C++
A GTK+ Gnutella client, optimized for speed and scalability
Components for IEC61375 standardised communication
Mostly OBDII-compliant scantool and diagnostic software
32/64 bit multi-platform Modbus communication library
ARAS is a free broadcast automation system
C library for sending e-mail (with attachments) from C/C++