Mielophone - Mielophone is an open-source minimalistic product that lets you search and discover music. You can either stream or download the media files to your computer. Read more about Mielophone.
TheSixtyOne - TheSixtyOne is a music streaming site that allows users to stream and download unlimited mp3 tracks.
Plug.dj - With the world constantly at war with itself, and with barriers being put into place between people, it sometimes seems as though there is nothing that can unify the human species. Read more about Plug.dj.
Listnd - Listnd is a social platform for tracking, rating, and reviewing the music you listen to, and for sharing your thoughts with your friends and the world at large.
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
Spotify - Map shows when two people play same song at same time