Paper.js is an open source vector graphics scripting framework that runs on top of the HTML5 Canvas.
It offers a clean Scene Graph / Document Object Model and a lot of powerful functionality to create and work with vector graphics and bezier curves, all neatly wrapped up in a well designed, consistent and clean programming interface.
An enhanced HTML 5 file input for Bootstrap 3.x with file preview for various files, offers multiple selection, and more.
The plugin allows you a simple way to setup an advanced file picker/upload control built to work specially with Bootstrap CSS3 styles. It enhances the file input functionality further, by offering support to preview a wide variety of files i.e. images, text, html, video, audio, flash, and objects.
TabbedContent is a lightweight tabs plugin that uses the HTML5 history API to add your tab navigation to your browser's history. Also it is compatible with Bootstrap.
jQuery.filer is a simple HTML5 File Uploader, a plugin tool for jQuery which change completely File Input and make it with multiple file selection, drag&drop support, different validations, thumbnails, icons, instant upload, print-screen upload and many other features and options.
Blockrain.js is a tetris game in HTML5 for jQuery with autoplay. It's responsive and you can customize colors.