https://vovsoft.com/software/serial-port-monitor/
Vovsoft Serial Port Monitor is a simple to use utility that can analyze your computer’s COM port communication data traffic.
You can read data from any COM port and send data to any COM port. You can change connection parameters such as baud rate (bits per second), parity, data bits and stop bits.
This software can send and receive data in ASCII text.
Giveaway link –>
https://vovsoft.com/giveaway/free-serial-port-monitor-2023/
Terms and Conditions
No free updates; if you update the giveaway, it may become unregistered
You must download and install the giveaway before this offer has ended
Lifetime license
May not be resold
Technical Details
Developed by Vovsoft
Supports Windows 11, Windows 10, Windows 8/8.1, Windows 7, Windows Vista, Windows XP (32-bit & 64-bit)