- A free soundcard application supporting PSK31, PSK63, RTTY, CW, and Phone operation. It can decode all PSK QSOs wi
thin a 4 KHz segment, maintaining a sorted list of heard callsigns; it can simultaneously decode RTTY via soundcard and an external modem, generates CW directly or via Wi
nKey, and includes a voice keyer. Wi
nWarbler interoperates wi
th the free Commander, DXKeeper, and SpotCollector for transceiver control, logging, and spotting.