Live365 - 5,000+ online radio stations run by real people, not generated by computers.
Headset - Personal music player for Youtube and Reddit
Listen2MyRadio - Stop dreaming, start streaming. Free and premium Shoutcast and Icecast audio broadcasting.
Poolsuite™ - The super-summer music player
Wohooo.net - Create Your Own Online Radio Station
SoundNode - SoundCloud desktop app (OS X, Windows, Linux)