Spotify - Map shows when two people play same song at same time
SHOUTcast Radio - SHOUTcast Radio is the home of free Internet Radio.
SoundCloud - Enjoy music & follow favourite artists
streamsquid - StreamSquid is a free music streaming service, that let you discover and share the music you love.
Ampache - Web ( HTTP centralized ) based audio/video streaming application
RadioSure - The “RadioSure” gives you the smoothest radio listening experience.