VLC Media Player - VLC is a free and open source cross-platform multimedia player and framework.
Musicolet - Musicolet is a small yet feature-rich offline Music Player for Android.
Knowthelist - Knowthelist - the awesome party music player Easy to use for all party guests
Palco MP3 - Palco MP3 is the largest Brazilian application for independent artists and offers more than 1 million songs for you to listen and download on your mobile device.
MixTape - Home of MixTape, an OSX application for creating beat matched mixes with simple export to the web or iTunes.
Audiomack - The free SoundCloud alternative