The name is WinSpy, you can download it on wxw.catch22.uk.net.

[Edit by JMI: And here we have yet another instance of a poster who was so anxious to make a post that he did not take the time to look around and learn the rules. Again, the reminder:

NO CLICKABLE LINKS OUTSIDE THE FORUMS.

Always uncheck the "Automatically parse URLs" button and use "hxxp, "h**p", and/or "wxw."]