D3.js

An open-source, low-level JavaScript toolbox for data visualization.

ProgressBar.js

A lightweight library for creating responsive and stylish progress bars with animated SVG paths.

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.

Paper.js

An open-source vector graphics scripting framework that runs on top of the HTML5 Canvas.

ScrollMagic

A JavaScript library for magical scroll interactions.

A library for React that allows developers to write CSS directly in JS to style components.

Cufon

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

VenoBox

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

An open-source responsive range slider with skin support.

Mmenu.js

A commercial, customizable JavaScript plugin for creating app-like menus with sliding submenus and navbars.

Fastly Polyfill

A service that reads the User-Agent header of each request and returns polyfills appropriate for the requesting browser.

Highlight.js

A JavaScript syntax highlighter with automatic language detection and zero dependencies.

An ultra lightweight, customizable, simple autocomplete widget with zero dependencies.

MathJax

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

React Helmet

A document head manager for React.

Pikaday

A lightweight JavaScript datepicker with no dependencies.

Rangeslider.js

Simple jQuery polyfill for the HTML5 slider element.

Fotorama

A simple yet powerful responsive jQuery image gallery.

Partytown

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

Babel

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

AlertifyJS

A JavaScript framework for developing pretty browser dialogs and notifications.

GeoJS

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

Raphael

A JavaScript vector library for manipulating SVG graphics.

HLS.js

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