A set of video players with simple GUIs for video engineers testing purposes.
Video.js is a web video player built from the ground up for an HTML5 world. It supports HTML5 video and modern streaming formats, as well as YouTube, Vimeo, and even Flash (through plugins, more on that later).
Plyr is a simple, lightweight, accessible and customizable HTML5, YouTube and Vimeo media player that supports modern browsers.
Link to the DashIF maintained reference player page
Link to the Bitmovin maintained example player page
Link to the JWPlayer maintained example player page