BeatSense - Discover great music hand-picked by real people, in a single click. FREE and in real-time!
Spotify - Map shows when two people play same song at same time
40 Hadiths - Hadith Nawawi is an Islamic Android App that is designed with the purpose to enlighten the heart and souls of Muslims around the globe with the authentic teachings of Prophet Muhammad (PBUH).
Myuzi - Myuzi is a free and open source music streaming app for Linux.
eSound - Your music. Without limits.
Last.fm - The world's largest online music service. Listen online, find out more about your favourite artists, and get music recommendations, only at Last.fm