Fully functional and easy to use Bug recording and Tracking tool

DeveloperExpo is the perfect tool for developing and debugging smart phone apps

USB Bus and USB Device protocol analyzer and debugger, with USB traffic sniffer

Software serial port monitor Rs232 com sniffer with protocol logger and analyzer

Free Serial Port Monitor, RS232 Com Software Sniffer and Communication Analyzer

Deleaker: an effective solution to the problem of detecting program leaks.

ShellReset is invaluable utility for developers of Windows Shell Extensions

EXE and DLL viewer, resource editor, win32 disassembler, and dependency checker.

Very lightweight bug tracking utility. Easy to use, small, fast.

AxScripter is an Active script debugger, including Vbscript and Javascript.