FL Studio Mobile - Create & save multi-track music projects on a smartphone
AMPLI.FI - Live online music community. Twitch for tunes.
Bandlab - Capture, nurture, and collaborate on song ideas in the cloud
Creatr - Creatr is a global livestreaming platform for creators and artists.
Keezy Drummer - Make a beat in seconds
Krue - Twitch for music: live streams from amazing musicians