VideoJS - VideoJS is an HTML5 Video Player, built with Javascript and CSS, with a fallback to a Flash video...
Spotify - Map shows when two people play same song at same time
FV Player - WordPress's most reliable, easy to use and feature-rich video player.
SOUNDS - Discover music with friends
MediaElement.js - MediaElement.js provides HTML5 audio and video players in pure HTML and CSS.
Songlink - Share music with anyone.