FlareVideo is an open source and free HTML5 video player that falls back to Flash for incompatible browsers.

The player can be customized easily using CSS-HTML and JS with its theming support (and already ships with 3 themes: default, spotify and Vimeo).

FlareVideo Player Features:

• HTML5 video with Flash fallback
• Easy CSS/HTML/JS customization and theming
• Full screen support
• Completely open source and free for commercial use

It is built on jQuery + jQuery UI and supports:

Download FlareVideo Player