XWinspector Alternatives
XWinspector is described as 'Discover hidden features of other software with XWinSpector. It works like Spy++ but has many other features!' and is an app in the os & utilities category. There are eight alternatives to XWinspector for Windows and.NET Framework. The best alternative is Window Detective, which is both free and Open Source. Other great apps like XWinspector are WinSpy, WinSpy++, WinDowse and WinID.
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.
WinDowse is an application to analyze the children from a window, result then an efficient and magnific application to analyze the Windows system structure.
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.
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.
Discontinued
Window-Spy.com is dead, but last version of Winspector Spy, 1.0b Build 37, can be still downloaded from Softpedia or AutoHotKey (see the comment).
Windows Enabler allows the user to enable disabled windows and controls such as buttons and tick boxes and choose menu options that would normally be disabled.
ForceToolkit is a small but powerful Windows freeware utility that provides a few functions forcibly modify the state of other program controls.