Realterm

Realterm screenshots

It's used for controlling and debugging binary and other difficult data streams
The Context Menu
Realterm 2.0 : The Context Menu

Alternative downloads

232Analyzer
Serial port analyzer and monitor.
5.6.1
COM Port Toolkit
Protocol, data and timing analyzer.
4.0.1.535
COM Port Stress Test
Tool for testing a COM or RS232 port (device).
1.4.4.630
FREE