Fast, single-channel FFT-based audio spectrum analyzer developed for HAM radio.
http://www.hamalyzer.com
An advanced Broadcasting Database System for AM, FM, and SW broadcast listening and professional frequency management.
http://www.ilg.de/
Free sign up, 1000 credits.
http://members1.chello.nl/~c.hubertse
Free software to control Ten Tec RX-320 receiver, DSP software, and a program to display the ILG broadcast database.
http://members.tripod.com/~gniephaus/
EasyLog HAM logging software. Download available.
http://www.easylog.com
A free, open source contest logging program.
http://www.n1mm.com
Offers a software control interface, written in Java for the Ten-Tec RX-320, a PC radio, controlled through a PC's serial port.
http://www.dxtra.com/
Source code, executables, and related utilities.
http://www.qsl.net/wb6tpu/swindex.html