WinWarbler 7.6

It allows you to conduct QSOs in the PSK31 and RTTY modes using your soundcard.

WinWarbler allows you to conduct QSOs in the PSK31, PSK63, PSK125, and RTTY modes using your soundcard's analog-to-digital and digital-to-analog conversion functions.

It can also simultaneously decode PSK transmissions on three separate frequencies. Each decoded transmission is displayed in its own size-adjustable receive pane.