Microsoft Spy++ is described as 'Spy++ (SPYXX.EXE) is a Win32-based utility, included in Microsoft Visual Studio , that gives you a graphical view of the system’s processes, threads, windows, and window messages' and is an app in the os & utilities category. There are more than 10 alternatives to Microsoft Spy++ for Windows, Linux and PortableApps.com. The best Microsoft Spy++ alternative is SystemExplorer, which is free. Other great apps like Microsoft Spy++ are Window Detective, TaskInfo, Python System Monitor and WinSpy.
System Explorer is an enhanced Taskmanager that provides detailed information about running processes, startup programs, IE add-ons (BHOs), drivers, services network connections, system resources and more.
Window Detective is a programmer's tool used to "spy" on an application's windows and allows you to view and even modify some of its properties.
It does almost all things spy does, but it can not show messages for children of a window. That is not supported here.
TaskInfo is a poweful utility that combines and improves features of Task Manager and System Information tools. It visually monitors (in text and graphical forms) different types of system information in any Windows system (95, 98, ME, NT 4.
Python System Monitor (Psymon) is a cross-platform, task and performance monitor.
Have you ever used Spy++ that comes with MSVC? If you have then you know what Winspector is - but take out all of the annoyances of Spy++ and add in a big bag of handy tweaks and features.
Chameleon Task Manager is Windows task manager that enables the complete control of processes running on a computer optimizing the performance of Windows. It also provides more detailed information about programs.
WinID is controls & windows identification utility that is both powerful and compact. Its main purpose is to give an easy way to retrieve information about Microsoft Windows controls visually right off the screen.
The Extended Task Manager provides additional Windows process management features and information about disk activity and network port usage.
pserv.cpl is a Windows Control Panel Applet that
Allows you to -control all NT services and devices -uninstall applications -replace eventviewer -replace task manager -connect to remote machines.
More of a glorified task manager than a diagnostic tool...
Discover hidden features of other software with XWinSpector. It works like Spy++ but has many other features!
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Open Source, pain free installation, works on windows 7 using for development now 10 minutes after discovering it.