Sitor
TrueTTY v.2.95
A program for amateur radio digital communications via a sound card. Supported modes are RTTY (Baudot code), ASCII (7 or 8 bits), BPSK31, QPSK31,PSK63, BPSK125, AMTOR (SITOR,NAVTEX), MFSK16, MFSK8, HF- and UHF-PACKET (AX25), DTMF.
MultiMode v.6.3.1
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.
RadioCom v.4 5
RadioCom is a software suite featuring encoding and decoding of various digital and analog signals from a radio. It is also capable to control radios (CAT) and significantly improves sound and audio quality..