iTunes is described as 'Media player, media library, Internet radio broadcaster, and iPhone device management application' and is one of the leading apps in the Audio & Music category. There are more than 100 alternatives to iTunes for a variety of platforms, including Windows, Mac, Linux, Android and the Web. The best alternative is MusicBee. It's not free, so if you're looking for a free alternative, you could try Clementine or foobar2000. Other great apps like iTunes are AIMP (Free), Strawberry (Free, Open Source), Winamp (Freemium) and MediaMonkey (Freemium).