Cellular manager for mobile phones/modems
Frontend for ModemManager 0.6/0.7, Wader and oFono
32/64 bit multi-platform Ethernet S7 PLC communication suite
Full mIRC MSL Script
Multipurpose platform of modularized client or server daemon.
Free software and hardware for telephony
an easy to use pop3 client library in C
for Adium, Pidgin, Miranda and Telepathy IM Framework
Microsoft SideWinder Game Voice device support for TeamSpeak 3.
Zmodem/xmodem/ymodem file transfer
Build Systems for WSJT Applications
Morse code decoder.
File sharing client with chat
Portable Vector Network Analyzer