Playlist Machinery - Tools that help you create & organize your Spotify playlists
Oto Music - Oto Music is an Android music player app that features Chromecast support, an equalizer, a ton of music controls, and functionalities.
Audioship - Upload audio to YouTube or Facebook
Vinyls - Vinyls is a music player that lets you listen to your music without any complicated setup.
Magic Playlist - Get the playlist of your dreams based on a song
3D Surround Music Player - 3D Surround Music Player allows you to listen to music with exceptional sound clarity and exclusive features such as dynamic bass boost, virtual3d surround effects, and treble boost.