humit - A social networking app for music sharing and discovery.
Listen2MyRadio - Stop dreaming, start streaming. Free and premium Shoutcast and Icecast audio broadcasting.
Songlink - Share music with anyone.
Wohooo.net - Create Your Own Online Radio Station
Son.gg in Slack - Share music with your team in Slack
Live365 - 5,000+ online radio stations run by real people, not generated by computers.