Bandlab - Capture, nurture, and collaborate on song ideas in the cloud
NodeJS Music Server - A stateless NodeJS app that leverages AWS S3 & serves music through a REST API
Krue - Twitch for music: live streams from amazing musicians
MusicDB - MusicDB is a music manager, server and player that focus on music.
Vampr - Connect with musicians, industry & music lovers alike
JPsonic - Media server with excellent for multibyte languages