Windows-based general logging and contest-specific software. Free to try. [download]

Windows software for amateur radio, marine radio, and other wireless applications including radio control, logging, digital modes, weather Fax, and HF Fax.

An easy-to-use calculator for simple and complex circuits. Download available.

DX Monitor software tracks DX spots from various sources and displays them on Google Earth and Maps. Product download, manual and maps.

Decodes digital modes like PSK31, RTTY and CW on Windows CE. Free download (GPL).

CommCat software for monitoring and analyzing DX Spots. Includes screenshots.

A free ACARS Decoder for Linux and Windows, plus a real-time ACARS server application. Download available.

Satellite tracking and decoding software including WXtrack, WXtrackGL, SatSignal, GeoSatSignal, and the HRPT Reader. All available for download.

Free soundcard-based audio applets for download: real-time spectrum analyser, frequency-counter/instrument tuner, and a sinewave signal generator, all for use at frequencies up to 20kHz.

An original piece control software for radio amateur transceivers. Yaesu, Icom, Kenwood, TenTec and Alinco are supported. Get the latest information about the program and download an evaluation version.