
ServiceCapture runs on your PC and captures all HTTP traffic sent from your browser. It is designed to help Rich Internet Application (RIA) developers in the debugging, analysis, and testing of their applications.
Commercial, $34.99
| 21, February, 2006

COM Port Stress Test is a compact and affordable tool for testing COM, RS232 and RS485 ports that generates an extremely fast data stream with alternating baud rate, flow control, RTS and DTR states. Try it right now and you won't be disappointed!
Freeware | 17, October, 2008

API Monitor is a software that allows you to spy and display Win32 API calls. It can trace
any exported APIs and display wide range of information, including function name, call
sequence, input and output parameters, function return value and more.
Shareware, $79
| 30, March, 2007

Debugging of Shell extensions is a simple process, but some things still made developers "unhappy": dll's are locked by Explorer and other applications, some settings hidden in the registry. ShellReset utility solves these problems.
Shareware, $15
| 3, August, 2004

Deleaker: a new add-in for Visual C (VS 2003-2005) easily detects resource/memory leaks, localizes them in the source code and is tightly integrated into the Visual Studio development environment.
Shareware, $299
| 22, September, 2006

Serial Port Monitor is a professional application for monitoring serial data exchange between serial devices and any Windows application. Serial Port Monitor comprises advanced features to display, log and analyze all serial port activity in a system
Shareware, $79.95
| 12, January, 2005

EasyBugNets- Free Automatic Bug Reporting for Delphi Applications. The package includes a bugreport component with sources, an example program with sources, all necessary help and an assistant (limited version). EasyBugNets is free to use.
Shareware, $50
| 2, September, 2006

AxScripter is an essential tool for every developer who uses ActiveX-enabled scripting language, including VBScript and JavaScript (JScript). It provides you with a full featured debugging environment for testing and correcting errors.
Shareware, $59
| 15, February, 2007

Deleaker: a new add-in for Visual C++ (VS 2003-2008) easily detects resource/memory leaks, localizes them in the source code and is tightly integrated into the Visual Studio development environment.
Shareware, $99
| 9, August, 2006

AllRecall Consul is easy-to-use and powerful program for automated testing applications with character-based interface, such as DOS-programs and UNIX-applications through Telnet client
Shareware, $64.99
| 1, June, 2005

Software USB port sniffer, monitor tool with protocol analyzer and data logger. This Universal Serial Bus monitoring utility can spy, capture, view, log, analyze, test usb device activity performing connection traffic analysis with data acquisition

Free Hex Editor Software - Binary and Hex file editing tool for Windows with Multi-Window, Multi-Document Interface, Text Viewer, Advanced Search and Replace features. Edit your Exe Code, Hex Dump, Avi, Mpeg, Jpeg and other files with HHD HexEditor

Serial Port Monitoring Control (SPMC) - RS232 Data Acquisition and Com Port Control Component Library, Modem Access Component. Connection Sniffer and Port Test Software Library.

ElementaryExtensions is an experimental .NET targeted library which proposes some interesting ideas, strategies and techniques. It contains a set of miscellaneous helpers for different routine operations. (http://mivc.comch.r u)