Subsonic - Subsonic is a free, web-based media streamer, providing ubiquitous access to your music and video.
TasteDive - TasteDive recommends similar music (musicians, bands), movies, TV shows, books, authors and games, based on what you like.
CherryMusic - A music streaming server written in python:Stream your own music collection to all your devices!
LivePlasma - Discovery engine map for books, music, and movies
Ampache - Web ( HTTP centralized ) based audio/video streaming application
Flixster - Share movie reviews and ratings with friends.