Floola is a freeware application to manage your i Pod (any model except i Phone and i Pod touch).
It can convert incompatible audio and video files, add You Tube videos to your device, and sync Google Calendars.
It is a standalone application that can be run directly from your i Pod and needs no installation under Windows, Mac OS X, or Linux.
The current version supports every type of i Pod except for the i Phone/i Touch.
Songbird allows you to set up watch folders to keep Songbird in sync as your media changes over time. Amarok is a powerful music player that is supported by Windows, Mac OS X, and Linux.
It also supports hundreds of add-ons that can add features, integrate services, and customize the application. It has an automated playlist generator, a similar artists and upcoming events applet, and support for the database.