PowerShell: Find scripts/snippets to download

Microsoft has a tool (pre-beta) called Script Explorer.

You can download it here:
http://www.microsoft.com/en-us/download/details.aspx?id=29101

You do need .Net 4.0 installed to run it, which can be downloaded here:
http://www.microsoft.com/en-us/download/details.aspx?id=17851