USB Serial RS232 Sniffer

 It looks like I previously tried this. http://thomsoneu.blogspot.com/2012/03/usb-serial-rs232-sniffer.html

List of Did not works below

 

 

 

Advances Serial Port Monitor
https://www.aggsoft.com/serial-port-monitor/serial-port-sniffer.htm
21 day free trial with 64kB max data.  $US70 to buy.
This one works.  Have run out of free bytes before making much headway with my problem.

https://www.com-port-monitoring.com/   Another HID incantation

https://freeserialanalyzer.com/ This is HID - Didn't work

eltima.com PRO$US199  Company 10 licences $US999  Ouch

com0com FJOVINE SerialSniffer
https://github.com/fjovine/SerialSniffer/blob/master/LICENSE
Download and extract the zip file

HHDsoftware.com "From" $US64
Commercial is $US94

ioninja.com
Installed.  Then wants me to create an IONija account and sign in on line.  Hmmm

MICROSOFT Serial Monitor - Have to compile it
https://learn.microsoft.com/en-us/cpp/embedded/serial-monitor?view=msvc-170&tabs=visual-studio

 

 

http://www.232analyzer.com

www.stratusengineering.com/EZTap.html

Portmon (Microsoft?) Free
http://technet.microsoft.com/en-us/sysinternals/bb896644.aspx
Didnt try this time but last time it did not work

REALTERM $50USD donation to get the drivers.  I tried but it goes to apaypal page that says this organisation isn't accepting donations right now.

Serialmon.com redirects to dunovo.com which is in sweedish.  Free evaluation 7 days.
Cant ascertain the price

SniffUSB2.0 Freeware
http://www.pcausa.com/Utilities/UsbSnoop/default.htm

http://www.serial-port-monitor.com/free-serial-port-monitor-downloads.html
This is HID
19-06-2023- Tried this again as it had worked last time.  Installed & ran.  Gave errors.  In the start menu, it did not give a run as administrator option, so I navigated to it's installed location in programFilesx86 an d did run as administrator and it still did not work.

 https://vovsoft.com/software/serial-port-monitor/
Does not seem to be able to spy.  Seems to be just a terminal program but read only.