Plug in your iPod, launch DeTune, and get access to all your songs. Copying them to your Mac is a simple drag and drop. Other features include tweakable filename templates and preferences for a files list. DeTune is the successor to expod.
Eject your iPod with a button on the menu bar.
Install Wikipedia on your iPod for on-the-go reference, but only if you don’t mind installing Linux as well.
Browse, search, and download YouTube video directly to your iPod.
YamiPod has a whole range of options that allow you to manage your iPod. In fact, you can run it on your iPod.