SoundClick - SoundClick is a music-based social community.
MusicDB - MusicDB is a music manager, server and player that focus on music.
Openwhyd - Collect and Share the tracks you love.
NodeJS Music Server - A stateless NodeJS app that leverages AWS S3 & serves music through a REST API
FoxTube - Play YouTube video continuously with playlists. FoxTube features:
Swing Music - Beautiful and fast music streaming server.