First ITunes is a program to allow selling of an ITune player file (standard mp3 music file !): it only happens to offer some playlist functions and looks similar to other media players on Linux or windows OS
Plently of media player alternatives for Linux exist
--just not ITunes type..http://www.linuxplanet.com/linuxplanet/reports/6643/1/
I have used Songbird and Rthymnboxhttps://en.wikipedia.org/wiki/Songbird_(software
Songbird announced on June 14th 2013 that it will stop all operations and shut down by June 28th. The company was unable to fund further business operations and as a result all operations and associated services will be discontinued.
--oops, but it's commercial now, I believe.https://en.wikipedia.org/wiki/RhythmboxBig Picture, comparison of audio players (media) https://en.wikipedia.org/wiki/Compariso ... r_software
Maybe atunes (java based..) is supposed to be as like ITunes (interface style)
--their web site doesn't say so, but ...