Poweramp - Music Player for Android
MixTape - Home of MixTape, an OSX application for creating beat matched mixes with simple export to the web or iTunes.
Black Hole - An open source music streaming app
Stellio Music Player - Stellio is an advanced music player with themes support, powerful audio and integration with VK and...
Vinyl Music Player - A fork of Phonograph Music Player that "makes all Pro features free, as they used to be".
Song Director - Song Director is a program that plays and keeps track of all your music files.