
Vermont HighTest Plus is a Windows-based software regression-testing tool for testing stand-alone and browser-based applications. Includes a dedicated scripting language, object support, user functions, screen compares, Suite Manager, and debugger.
Commercial, $299
| 19, August, 2008

This is the first software of its kind which includes both local and network virtual COM port
functions. It can share your real COM ports or create virtual COM ports and connect them with a
virtual null-modem cable locally or through the network.
Shareware, $79.98
| 5, January, 2007

A best api monitor tool, Automatic monitor all API and COM Interface. can spy any dll's api. automatic analysis symbols with pdb files. easy to moitor input/output parameters.
Shareware, $99
| 17, September, 2007

Hardware Developers: Insert your USB/PCI/ISA PnP device and perform various operations from GUI interface: read USB descriptors, perform USB pipes operations, read PCI registers, handle interruptions, control Parallel and Serial Ports.
Shareware, $349
| 27, January, 2007

Docklight Scripting is an automated testing tool for serial communication protocols via COM, TCP and UDP. It is an extended edition of Docklight RS232 Terminal / RS232 Monitor, including an easy-to-use script language to create automated test jobs.
Shareware, $159
| 23, March, 2008

Unified trace environment consisting of an API plus a trace viewer. A must-have tools for professional developers. All components of all your applications write into the same trace. For development and trouble-shooting at customer sites.
Shareware, $30
| 13, April, 2004

A best api monitor tool, Automatic monitor all API and COM Interface. can spy any dll's api. automatic analysis symbols with pdb files. easy to moitor input/output parameters. Source Code Level Monitor
Shareware, $299
| 17, April, 2008

ScriptDebugger is a small and FREE debugger tool that you can use for help when debugging vb script.
Freeware | 1, October, 2006

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

Bug Tracker is a bug tracking, defect tracking, issue tracking tools for project management for windows. It has auto task assignment, bug report, powerful filter, flexible right control, flexible work flow, printing and automatic login.
Shareware, $229.95
| 15, November, 2007

Software serial port monitor Rs232 sniffer with protocol analyzer and packet data logger. This monitoring utility can spy, capture, view, log, analyze test com ports activity performing com port connection and traffic analysis with data acquisition

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)

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