Winspector Spy - Have you ever used Spy++ that comes with MSVC?
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.
WinID - WinID is controls & windows identification utility that is both powerful and compact.
ForceToolkit by Autoclose.net - ForceToolkit is a small but powerful tool that forcefully modifies the state of other program controls. It can enable grey out buttons and checkboxes, hide windows and let them run in the background and more.
Microsoft Spy++ - Spy++ (SPYXX.EXE) is a Win32-based utility that gives you a graphical view of the systemโs...