Also by Macroplant, this is a more robust tool for full device management. Existing Sharepod users can often upgrade to iExplorer for a discounted price.
If you simply want to recover music from an iPod without installing anything, try this Windows trick: sharepod registration code
You can recover your music library without worrying about the app cutting you off halfway through the process. How to Register SharePod Once you have your code, the process is simple: Open SharePod on your Mac or PC. Also by Macroplant, this is a more robust