Spotify - Map shows when two people play same song at same time
MP3box - Are you fond of music and want to improve your online music listening experience?
SoundCloud - Enjoy music & follow favourite artists
SciLor's Grooveshark Downloader - SciLor's grooveshark(tm).com Downloader, a tool that allows you to download any song you like directly from the excelent grooveshark(tm) online music service.
Ampache - Web ( HTTP centralized ) based audio/video streaming application
Mp3Bear - Mp3Bear is an Mp3 music search engine that locates the mp3 files all over the net.