Nightingale is described as 'Free and powerfull music player for Linux, Windows and Mac based on the Songbird media player source code. A beautiful interface with a wide range of supported audio formats, all with multi-platform support!' and is a Audio Player in the audio & music category. There are more than 50 alternatives to Nightingale for a variety of platforms, including Windows, Linux, Mac, Android and iPhone apps. The best Nightingale alternative is foobar2000. It's not free, so if you're looking for a free alternative, you could try foobar2000 or AIMP. Other great apps like Nightingale are MusicBee, Strawberry, Amarok and Rhythmbox.