A rich and powerful templating language for JavaScript.

HTML5 IE enabling script
Source code adds new HTML5 elements (which is simple code), but also supports printing HTML5 elements and includes the default styles for HTML5 elements, like block on article and section.

php.js is a resource that offers community-built JavaScript alternatives to PHP functions.

Apache Cordova is a platform
for building native mobile
applications using HTML, CSS
and JavaScript

Themeable progress bar library.
Allow to show image loading progress when using lazyload

A simple jQuery plugin to allow users to create equal height containers and grids using JavaScript where CSS2 cannot.

Create an API for any website, in any programming language, without writing a line of code

Visual Event is a Javascript bookmarklet which provides debugging information about events that have been attached to DOM elements. Visual Event shows:

Which elements have events attached to them
The type of events attached to an element
The code that will be run with the event is triggered
The source file and line number for where the attached function was defined (Webkit browsers and Opera only)

In addition to being useful for debugging your own code, Visual Event can be used as an educational tool, showing how many web-sites have been authored.

CSS slide transitions for Bespoke.js

Embed interactive Panorama Pictures on your site with this simple plugin. Created by Pete R., Founder of Travelistly and BucketListly

Adds the "real" viewport width and height (in px and em) as an element on the body to help with obtaining values for responsive breakpoints

mqGenie adjusts CSS media queries in browsers that include the scrollbar's width in the viewport width so they fire at the intended size

• mqGenie @ GitHub.

Open source mobile phone detection

Yet another lightweight, customisable responsive image solution

A jQuery plugin that suggests and autocompletes the domain whenever your users type in an email address field.

OSGJS is a WebGL framework based on OpenSceneGraph concepts. It allows an individual to use an “OpenSceneGraph-like” toolbox to interact with WebGL via JavaScript, and provides facilities for exporting various assets to the osgjs format. The API is kept as similar to OpenSceneGraph as possible, providing a familiar environment to veterans of the library and introducing newcomers to a popular and heavily-scrutinzed set of interfaces

DropzoneJS is an open source library that provides drag'n'drop file uploads with image previews.

Just-add-water CSS animations

Break free from CSS vendor prefix hell!
-prefix-free lets you use only unprefixed CSS properties everywhere. It works behind the scenes, adding the current browser’s prefix to any CSS code, only when it’s needed.

Crosbrowser & lightweight way to check if user is looking at the page or interacting with it.