VLC Media Player - VLC is a free and open source cross-platform multimedia player and framework.
VideoJS - VideoJS is an HTML5 Video Player, built with Javascript and CSS, with a fallback to a Flash video...
AIMP - AIMP : Free Audio Player : Официальный сайт программы
Plyr - A simple, accessible and customisable HTML5 media player
foobar2000 - An advanced freeware audio player for the Windows platform.
Flowplayer - Flowplayer is a video player for web sites.