ProduKey

produkey.jpg For Windows administrators looking to backup single installs of Windows, or Office. ProduKey could be something that is useful in your arsenal.
What it does is, it looks up your current installs product Key. You can access all of it in a commandline prompt. This becomes useful if you have lost your media but you still have a running system and would like to back it up and reinstall the beast. Having done many reinstallations in the past for Windows systems, I can tell you that this tool would definitely come in handy at some point.