Bandlab - Capture, nurture, and collaborate on song ideas in the cloud
AMPLI.FI - Live online music community. Twitch for tunes.
Turntable.fm - Turntable.fm is a social media website developed by Billy Chasen and Seth Goldstein that allows the audience to stream their own music.
Twitch Creative - Watch artists create. Twitch expands into the arts.
Audiu - Audiu is one of the largest platforms for the online music community, allowing users to collaborate, organize and publish their musical projects.
Vampr - Connect with musicians, industry & music lovers alike