YUI

A legacy, open-source JavaScript and CSS library for building interactive web applications with a focus on modular architecture and cross-browser consistency.

Clipboard.js

A lightweight JavaScript library for copying text to the clipboard from web pages.

Typeahead.js

A fast and fully-featured autocomplete library by Twitter.

VenoBox

Responsive vanilla JS lightbox plugin, suitable for images, videos, and iframes.

Picturefill

A responsive image polyfill for <picture>, srcset, sizes, and more.

Closure Library

A low-level JavaScript library designed for building complex and scalable web applications.

Emotion

An open-source CSS-in-JS library for writing and managing styles with JavaScript and TypeScript that can be used both with React and in a framework-agnostic way.

MathJax

An open-source JavaScript rendering engine for LaTeX, MathML, and AsciiMath notation that works in all modern browsers.

Twemoji

An Twitter's open-source library that provides standard Unicode emoji support across all platforms.

A Javascript library for non-blocking notifications.

Lottie Player

An official player for Lottie animations.

Morphext

A cross-browser jQuery plugin that rotates text phrases in a carousel using CSS3 animations powered by Animate.css.

A lightweight and flexible script that speeds up your web application by delaying the loading of your below-the-fold images, videos and iframes until they enter the viewport.

Spin.js

An animated, configurable, resolution independent loading spinner with no dependencies.

Critters

A deprecated Webpack plugin that inlines your app's critical CSS and lazily loads the rest.

Instant.Page

Uses just-in-time preloading - it preloads a page right before a user clicks on it.

A jQuery flexible font plugin that allows elements to fill the width of their parent elements.

GeoJS

A REST-based IP geolocation service that provides APIs without authentication or rate limits.

Hammer.js

An open-source JavaScript library for detecting gestures from touch, mouse, and pointer events.

List.js

A lightweight vanilla JavaScript library that enhances HTML lists, tables, and other elements with client-side search, sorting, and filtering functionality.

Rangeslider.js

Simple jQuery polyfill for the HTML5 <input type="range"> slider element.

Lenis

A modern, lightweight, and performant open-source smooth scrolling library with WebGL scroll synchronization, parallax effects, and more.

A legacy open-source JavaScript framework that eases cross-browser development of dynamic web applications.

jQuery Modal

A simple & lightweight library for displaying modal windows with jQuery.

Slideout.js

A touch slideout navigation menu for your mobile web apps.