QRS for Windows
by Rik Strobbe ON7YD.

Generates slow CW keying from PC-compatible computers via serial ports, parallel port, and/or soundcard. Produces slow CW with standard or clipped dit/dah ratios, plus DFCW. Beacon and QSO modes. For full list of features, see the program's What's New file, then select the appropriate download page below. Copyrighted but freely distributed for non-commercial use.

• QRS 4.02  Released November 2003. For 32-bit Windows only: 95, 98, ME, NT 4, 2000, XP.
• QRS 3.17  April 2002. For Windows 3.1, 95, 98 and ME. (Partial functionality in NT-based Windows.)