FL Studio Mobile - Create & save multi-track music projects on a smartphone
Bandlab - Capture, nurture, and collaborate on song ideas in the cloud
Splice Beat Maker - Make and share beats in your browser
AMPLI.FI - Live online music community. Twitch for tunes.
Lily - A drone with a camera that follows you. Throw it in the air.
Krue - Twitch for music: live streams from amazing musicians