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MetaX v.2.48
MetaX is a Windows movie tagging program for MP4, M4V and MOV files. You can search many internet sources with the click of a mouse and then write that information into the file so that it is displays in your Media Player.
MetaCopy v.1.0.1
If you are looking for a simple tool to copy your iTunes-meta-Information from one file to another, then have a closer look at MetaCopy.