TrueTTY v3.33 - Program decoding  many transmission systems.

It uses the computer sound card.

http://www.dxsoft.com/en/products/truetty/

• RTTY (Baudot code)
• ASCII (7 or 8 bits)
• PSK31 (BPSK and QPSK)
• BPSK63
• QPSK63
• BPSK125
• AMTOR-FEC (SITOR-B, NAVTEX)
• MultiFSK-16
• MultiFSK-8
• HF-PACKET e UHF-PACKET (AX25) supportati in emulazione di KISS-TNC.SELFEC SITOR
• AMTOR-ARQ (SITOR-A)
• DTMF