# [Video.js - HTML5 Video Player](http://videojs.com) [![Build Status](https://travis-ci.org/zencoder/video-js.png?branch=master)](https://travis-ci.org/zencoder/video-js) > Video.js is a web video player built from the ground up for an HTML5 world. It supports HTML5 and Flash video, as well as YouTube and Vimeo (through [plugins](https://github.com/videojs/video.js/wiki/Plugins)). It supports video playback on desktops and mobile devices. This project was started mid 2010, and the player is now used on over 50,000 websites. Visit [videojs.com](http://videojs.com) for an overview, download options, and instructions on how to use the player on your site. ## Contributing Video.js is a free and open source library, and we appreciate any help you're willing to give. Check out the [contributing guide](CONTRIBUTING.md). ## Building your own Video.js from source To build your own custom version read the section on [contributing code](CONTRIBUTING.md#contributing-code) and ["Building your own copy"](CONTRIBUTING.md#building-your-own-copy-of-videojs) in the contributing guide. ## License Video.js is licensed under the Apache License, Version 2.0. [View the license file](LICENSE) Copyright 2014 Brightcove, Inc.