This list collects 7 free iPod Transfers to help you copy music, songs, rating, pictures, playlist, etc files from iPod back to computer and iTunes, they all upgrade and support all series of iPod including iPod Touch, iPod Nano, iPod Classic, iPod Shuffle, etc. Some will also support Apple iPhone. They are totally free without any limitation. I have scanned them with Notron, they are all safe without any virus and spyware.
But they can not transfer Movie, TV shows or Podcast from iPod to computer & iTunes, if you want to recover your lost iPod films, you can refer to this iPod Transfer Review, it provides many iPod Transfers would help you a lot.
If you want to know how to transfer iTunes library to another computer, you may take a look at this guide