SHDCom for Windows
SHDCom for Windows is a program for debugging serial communications. It gives you possibility to send data via serial line and receive it. All of this data are displayed as live hex dump view. Using possibility to listen two COM port in the same time you can actually spy serial communications using same cable you use with ViewComm. Has the possibility to spy communication without port using NT driver. Command line switches support. Scripting support with support for user interaction.