DSP-CW

You may use DSP-CW either with your soundcard or via comport for FSK. Features: CW and RTTY, Accurate decoding, Easy tuneup with 1-3000 Hz display, Quick-buffers, Baudrate 45 - 100, Copy paste words, Adjustable shift, Callsign capture, Typeahed buffer, Small log editor, Record to file, Tx any file, Automatic Soundcard detection, Soundcard mixer. Free evaluation download.