WinSpy - Retrieve window information.
Winspector Spy - Have you ever used Spy++ that comes with MSVC?
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…
Window Detective - Window Detective is a programmer's tool used to "spy" on an application's windows...
XWinspector - Discover hidden features of other software with XWinSpector.
WinCheat - WinCheat is like Spy++ in that it lets you dig deep into the internals of the PE format and the...