cocoaModem, Mac OS X Amateur Radio modulation modes
cocoaModem is a Mac OS X application which implements modems (modulator-demodulators) for some of the Amateur Radio modulation modes. cocoaModem’s name is a reference to the MacOS X Cocoaframework that it uses.
The cocoaModem application is free and can be downloaded from the Downloads tab at the top of this page. cocoaModem is built as a Universal Binary and runs natively on both Intel based and PowerPC based Macintosh computers and is localized for Japanese Mac OS X.