Process Tamer - Freeware Microsoft Windows utility that monitors the CPU use of applications, alerts when they use too much, and reduces their priority to keep your PC fast.
WinSpy - Retrieve window information.
Process Explorer - The top window always shows a list of the currently active processes, including the names of their owning accounts, whereas the information displayed in the bottom window depends on the mode that Process Explorer is in: if it is in handle mode you'l…
Winspector Spy - Have you ever used Spy++ that comes with MSVC?
MiTeC Task Manager Deluxe - MiTeC
Window Detective - Window Detective is a programmer's tool used to "spy" on an application's windows...