SoundCloud Go - Your favorite music and new discoveries, offline and ad-free
Mopidy - Mopidy is an extensible music server written in Python. Mopidy plays music from local disk, Spotify, SoundCloud, Google Play Music, and more. You edit the playlist from any phone, tablet, or computer using a range of MPD and web clients.
Kidoverse - iOS App for young children to learn, play, create & explore
mpc - A minimalist command line interface to MPD.
Toca Nature - Shape nature and watch it develop.
VLC Media Player - VLC is a free and open source cross-platform multimedia player and framework.