SimplytheBest JQuery plugins

A free and open source media library. Allows you to rapidly weave cross platform audio and video into your web pages. Customizable and skinnable, multi-codec, cross-browser and cross-platform.

A simple flexible responsive retina-ready jQuery lightbox plugin. It automatically detects the type of content you are trying to show such as images, image galleries, Ajax, Flash, Youtube or Vimeo videos or inline HTML.

Pre-fetches content from a subsequent page and adds it to the current page. Available as jQuery plugin or WordPress plugin.

A jQuery plugin that will count up or down to a target number at a specified speed, rendered within an HTML DOM element.

A very robust jQuery-based slider plugin. All HTML content, scroll horizontally or vertically, multiple sliders, themes, infinite/continuous sliding, animations and more.

The ThemeRoller Mobile tool makes it easy to create custom designed themes for your mobile site or app. Pick colors, share your theme URL or download the theme and drop it into your site.

A small, customizable plugin for scrolling elements, or the window itself.

Plugin that implements custom appear and disappear events fired when an element becomes visible or invisible in the browser viewport.