A rugged, minimal framework for composing JavaScript behavior in your markup.

The most advanced responsive front-end framework in the world. Quickly create prototypes and production code for sites that work on any kind of device.

Deprecated - Chosen is a library for making long, unwieldy select boxes more friendly.

Our original Web Component library.

Polyfill to remove click delays on browsers with touch UIs

A minimalist CSS framework.

JavaScript Design Patterns

Simple wrapper for cross-browser usage of the JavaScript Fullscreen API

A jQuery UI theme based on Twitter Bootstrap

A general purpose, real-time visualization library.

Shower HTML presentation engine

Literate Programming can be Quick and Dirty.

Loading And Blocking JavaScript: On-demand parallel loader for JavaScript with execution order dependencies

A timeless Twitter Bootstrap theme built for the modern web.

A visual introduction to probability and statistics.

A jQuery plugin for producing big, bold & responsive headlines

Formattable Data Structures

Mobile Web App Framework

An inclusive pattern library builder.

A repo to organize the guidelines and best practices for accessibility at 18f.

Step by step building the recipe app in react & flux.

Cartagen is a vector-based, client-side framework for rendering maps in native HTML 5. Maps are styled in GSS, a cascading stylesheet specification for geospatial information – a decision which lev…

Custom events 'movestart', 'move' and 'moveend' for jQuery.

plotly for R book

Simple SVG maps that work everywhere.

reimg - A javascript library for converting image formats

Simple patch that adds a 'progress' callback to jquery Ajax calls

Logo-style turtle graphics in JavaScript using HTML5 Canvas. Basically, turtle graphics re-imagined for a JavaScript world. Current lib (with HSV color support) gzips down to <1K (about half that i…

18F Content Guide