WinSpy - Retrieve window information.
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Winspector Spy - Have you ever used Spy++ that comes with MSVC?
StatusCake - Website Uptime Monitoring & Alerts – Free Unlimited Downtime Monitoring
Microsoft Spy++ - Spy++ (SPYXX.EXE) is a Win32-based utility that gives you a graphical view of the system’s...
Better Uptime - We call you when your website goes down