Festify - Festify is a free Spotify-powered app that lets your guests choose which music should be played...
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.
JQBX - turntable.fm for spotify
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.
Bandlab - Capture, nurture, and collaborate on song ideas in the cloud
TheSixtyOne - TheSixtyOne is a music streaming site that allows users to stream and download unlimited mp3 tracks.