MultiMode is a Home & Education software developed by Black Cat Systems. After our trial and test, the software is proved to be official, secure and free. Here is the official description for MultiMode:
Brothersoft Editor: MultiMode allows you to decode and transmit Morse code (CW), RTTY, FAX, SSTV, SITOR-B, NAVTEX, PACKET, ACARS, PSK31, ALE, and many other modes on your Macintosh, without any extra hardware. Just connect your Mac to your radio, and you're all set to go! We're so sure that you've find MultiMode useful that we're offering you a risk-free deal. MultiMode is an application which allows your Macintosh to decode several different modes of non-voice communication often heard on shortwave. You can also transmit in many of these modes, as well. In the past, dedicated hardware, often costing hundreds or thousands of dollars, was necessary to demodulate and decode these transmissions. Today, you can use the processing power of your Macintosh to decode and display these modes, without any hardware. MultiMode features sophisticated digital filters, for pulling weak signals out of the noise. you can free download MultiMode 5.9.2 now.