WinWarbler allows you to conduct QSOs in the PSK31,PSK63, PSK125 and RTTY modes.
Walter Dallmeier, DL4RCK
RCKRtty is a comprehensive program for logging and administration.
WAV Encoder/Decoder Control is an ActiveX control .
It is a program for amateur radio digital communications via a sound card.
MXGuard is an OpenSource application written in VisualBasic.
Christian RAMADE (F6GQK)
PSK31 is an amateur radio communications mode that uses phase modulation.