Vide is a easy jQuery plugin for video backgrounds. All modern desktop browsers are supported.
CoverVid is a jQuery plugin to make your HTML5 video behave like a background cover image. It's so easy to use.
UbaPlayer is a simple jQuery plugin that plays audio natively in modern browsers and uses Flash where native playback is impossible.
A nice article about building up an easily customizable HTML5
<video> player, including packaging it as a simple jQuery plugin, choosing control types and outputting custom CSS for your own situation.
In this article you will look at
VenoBox is a just another responsive jQuery lightbox plugin, suitable for images, inline contents, iFrames, Google-Maps, Ajax requests, Vimeo and YouTube videos.
The big difference compared to many others modal-window plugins is that VenoBox calculates the max width of the image displayed and preserves its height if is taller than the window (so in small devices you can scroll down the content, avoiding vertical microscopic resized images).
Acorn Media Player is a HTML5 media player with a focus on accessibility and customization.
Ion.Sound is a jQuery plugin for playing sounds on events. Ion.Sound is afreeto use and has cross-browser support. It includes 15 free sounds.
blueimp Gallery is a touch-enabled, responsive and customizable image & video gallery, carousel and lightbox, optimized for both mobile and desktop web browsers.
It features swipe, mouse and keyboard navigation, transition effects, slideshow functionality, fullscreen support and on-demand content loading and can be extended to display additional content types.