Plyr - A simple, accessible and customisable HTML5 media player
BitTorrent Live - Live streaming video. iPhone, Apple TV, MacOS. Android soon.
JW Player - JW Player is an embeddable media player.
IINA - The modern video player for macOS
VideoJS - VideoJS is an HTML5 Video Player, built with Javascript and CSS, with a fallback to a Flash video...
VLC Media Player - VLC is a free and open source cross-platform multimedia player and framework.