Prism

A lightweight, extensible syntax highlighter that supports nearly 300 languages.

An open-source, extensible, HTML5 first media player for the web.

Lenis

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

URI.js

A JavaScript library for manipulating URLs.

Howler.js

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

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

Beasties

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

BaguetteBox.js

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

Swup

A versatile and extensible page transition library that offers smooth animations, smart preloading, native browser history and enhanced accessibility.

AlertifyJS

A JavaScript framework for developing pretty browser dialogs and notifications.

Siema

A lightweight carousel with no dependencies and no styling.

jsPDF

An open-source library for generating PDFs in JavaScript.

Rough.js

A small graphics library that lets you draw in a sketchy, hand-drawn style.

Quill

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

Critters

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

Mustache.js

A zero-dependency implementation of the mustache template system in JavaScript.

Stacktable.js

jQuery plugin for stacking tables on small screens.

MathJax

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

Choices.js

A vanilla, lightweight, configurable select box/text input JavaScript library.

Socket.io

A library that enables real-time, bidirectional and event-based communication between the browser and the server.

NProgress

A nanoscopic progress bar to convince your users that something is happening.

SimpleParallax

A lightweight and easy-to-use React and JS library that adds parallax animations to any image.

Snap.svg

A JavaScript library for animating, manipulating, and generating SVG content.

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.

GraphQL.js

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