Musicolet - Musicolet is a small yet feature-rich offline Music Player for Android.
Emit - Emit can stream from a Windows/Mac/Linux machine to an android/iOS device.
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.
MoboPlayer - MoboPlayer is a video player for Android that plays most video formats.
Audiomack - The free SoundCloud alternative
Vinyl Music Player - A fork of Phonograph Music Player that "makes all Pro features free, as they used to be".