Client-side support for CSS custom properties (aka "CSS variables") in legacy and modern browsers.

A lightbox library for photos and videos, last released in 2014.

Lenis

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

Jasny Bootstrap

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

Babel

A JavaScript compiler mainly used to convert ECMAScript 2015+ (ES6) code into an older JavaScript (ES5) version to maximize browser compatibility.

A component for interactive visualization of geographic data with smooth zooming and panning, fully customizable styling, markers, labels and tooltips.

i18next

An internationalization framework written in and for JavaScript.

An open-source library for publishers to quickly implement header bidding advertising.

Critters

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

BaguetteBox.js

Simple and easy to use lightbox script written in pure JavaScript.

Fabric.js

A JavaScript canvas library with serialization and SVG-to-canvas/canvas-to-SVG parsers.

Mo.js

An open-source, retina-ready, modular JavaScript motion graphics library.

Locomotive Scroll

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

Bootstrap Progressbar

A jQuery plugin that allows you to animate the Bootstrap 2 and 3 progressbar with JavaScript.

Motion UI

A Sass library for creating flexible CSS transitions and animations.

Quill

An open-source JavaScript WYSIWYG text editor designed to provide consistent content editing across browsers using a structured document model.

GraphQL.js

The JavaScript reference implementation for GraphQL, a query language for APIs created by Facebook.

Partytown

A lazy-loaded library to help relocate resource intensive scripts into a web worker, and off of the main thread.

A simpler rewrite of Google's libphonenumber library in JavaScript.

Green Popups

A commercial popup system with a drag-and-drop popup builder, 20+ popup elements, 200+ professionally designed templates, available as a WordPress plugin or standalone script.

CreateJS

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

A paid script that turns any content into a cool parallax effect.

Beasties

A plugin that inlines your app's critical CSS and lazy-loads the rest.

Howler.js

A cross-platform audio library that defaults to Web Audio API and falls back to HTML5 Audio.

jsPDF

An open-source library for generating PDFs in JavaScript.