Deezer iMessage app - Share your music on iMessage with Deezer!
SOUNDS - Discover music with friends
Moozic - A spotify-like music player with lyric support
Wohooo.net - Create Your Own Online Radio Station
Soundbar - A lightweight SoundCloud player for Mac
Listen2MyRadio - Stop dreaming, start streaming. Free and premium Shoutcast and Icecast audio broadcasting.