HLS.js

A JavaScript library that implements an HTTP Live Streaming client, using HTML5 video and MediaSource extensions.

A lightweight, vanilla JavaScript parallax library.

Scriptaculous

A set of JavaScript libraries to enhance the user interface of web sites.

Google Interactive Media Ads

Enable publishers to request ads from any VAST-compliant ad server and manage ad playback.

YUI

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

Locomotive Scroll

A simple scroll library with smooth scrolling, parallax effects, toggling classes, and triggering event listeners when elements are in the viewport.

CreateJS

A suite of modular libraries and tools which work together or independently to enable rich interactive content on open web technologies via HTML5.

Closure Library

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

Web Vitals

A lightweight JavaScript library for measuring Core Web Vitals and related performance metrics on real users in the browser.

Mapbox GL JS

A JavaScript library for building web maps powered by vector tiles and WebGL.

StyleX

An open-source styling system and CSS-in-JS library developed by Meta for building and maintaining large-scale web applications.

Raphael

A JavaScript vector library for manipulating SVG graphics.

MathJax

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

Dropzone.js

A drag and drop JavaScript library that supports image previews and shows progress bars.

Slideout.js

A touch slideout navigation menu for your mobile web apps.

Cufon

A discontinued JavaScript library that performs text replacement on web pages, using the canvas element and VML to render fancy fonts.

Turbolinks

A JavaScript library that allows web apps to behave like a single page application.

Critters

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

Jasny Bootstrap

A Bootstrap extension that adds Button Labels, Off Canvas Navmenu, Fixed Alerts, Row Link and File Input widget components.

GeoJS

A highly available REST/JSON/JSONP IP Geolocation lookup API.

Barba.js

A small and easy to use library to make websites run like a SPA by creating smooth transitions between pages.

A global utility for tracking the current input method (mouse, keyboard or touch).

Analytics.js

An open-source library that collects customer data and sends it to many different tools using an API from Segment CDP.

Micromodal.js

A tiny JavaScript library for creating accessible modal dialogs.

Smartbanner.js

Customizable smart app banner displayed for iOS and Android users.