Subsonic - Subsonic is a free, web-based media streamer, providing ubiquitous access to your music and video.
Lark Player - Lark Player – YouTube Music & Free MP3 Top Player is a fine tool developed by Mobiuspace Tech Top Player.
Ampache - Web ( HTTP centralized ) based audio/video streaming application
Audiomack - The free SoundCloud alternative
Audio Share - Audio Share can share Windows computer's audio to Android phone over network, so your phone becomes the speaker of computer.
Musicolet - Musicolet is a small yet feature-rich offline Music Player for Android.