Free Serial Port Monitor 3.31 (by HHD Software)
Free Serial Port Monitor, RS232 Com Software Sniffer and Communication Analyzer

Serial Monitor 4.10 (by HHD Software)
Software serial port monitor Rs232 com sniffer with protocol logger and analyzer

Eltima Serial Port Monitor 1.2 (by ELTIMA Software GmbH)
Serial Port Monitor for professional RS232/422/485 COM ports monitoring.

Look RS232 4.3 (by fCoder Group)
Look RS232 is a monitor for debugging serial data transfers between devices

Serial Port Monitoring Control 2.14.00.32 (by HHD Software)
Serial Port Monitoring Control Component Library (SPMC)

Accurate Network Monitor 1.31 (by HHD Software)
Network Monitor - ip packet sniffing, monitoring protocol analyzer software tool

Serial Port Sniffer ActiveX Control 1.0 (by ELTIMA GmbH)
Serial Port Sniffer ActveX Control monitors and edits data flows of serial ports

Serial Port Sniffer ActiveX Control 1.0 (by ELTIMA GmbH)
Serial Port Sniffer ActveX Control monitors and edits data flows of serial ports

Eltima RS232 Data Logger 2.7 (by ELTIMA Software GmbH)
Redirect communication data from any serial port into a text file and analyze it

232Analyzer 5.6 (by CommFront Technologies)
Serial Port Terminal Monitor Tester Converter: RS232 RS485 RS422 TTL Modbus PLC

PE Explorer 1.99 R6 (by Heaventools Software)
DLL viewer, resource editor, win32 PE disassembler, and dependency scanner.

Serial Monitor 4.10 (by HHD Software)
Software serial port monitor Rs232 com sniffer with protocol logger and analyzer

vTest 2.6 (by Verisium, Inc.)
vTest is an automated functional & regression testing tool for web applications

Deleaker Add-in for Visual C++ 1.1 (by Softanics)
Deleaker: an effective solution to the problem of detecting program leaks.

EasyBugNets 1.11c (by Ct SAMPY)
EasyBugNets is a free automatic bug reporting package for Delphi applications