If you own an iPod or iPhone—iTunes - For seamless syncing between your iPhone or iPod devices and your music collection, it's hard to beat iTunes—which is, of course, Apple's intended outcome. There are other iPod-to-computer solutions, but none are really worry-free and seamlessly integrated with everything an iPod can do, including updates, album art transfers, and, in the case of iPhones and iPod touch models, backups. It's not that bad a music manager, either, especially if you've got a huge collection or compatible Apple devices, like AirTunes-capable speakers. If you need it to do more, check out our picks for the 23 best iTunes add-ons. [Download]