Grover - Rent electronics for a month & try it before you buy.
Bandlab - Capture, nurture, and collaborate on song ideas in the cloud
Shelf Engine - Vendors get paid for only products they sell
Krue - Twitch for music: live streams from amazing musicians
Origin Marketplace - Power hundreds of decentralized, peer-to-peer marketplaces
Vampr - Connect with musicians, industry & music lovers alike