Cufon

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

Highlight.js

An open-source JavaScript syntax highlighter with automatic language detection and zero dependencies for browser and server-side environments.

Mapbox GL JS

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

Scriptaculous

An open-source JavaScript library built on the Prototype framework that provides visual effects, user interface controls, and AJAX utilities for web applications.

Babel

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

Raphael

A JavaScript vector library for manipulating SVG graphics.

GraphQL.js

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

iCheck

Highly customizable checkboxes and radio buttons for jQuery and Zepto.

StyleX

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

Lozad.js

Highly performant, light and configurable lazy loader for images and iframes in pure JS with no dependencies.

Critters

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

Beasties

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

Prism

A lightweight, extensible syntax highlighter designed for fast client-side code highlighting in web pages and documentation systems.

Fabric.js

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

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

YUI

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

Morphext

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

Micromodal.js

A tiny JavaScript library for creating accessible modal dialogs.

Flowplayer

A commercial video player and delivery platform for on-demand, live, and simulated live streaming.

AG Grid

A full-featured and customizable JavaScript data grid with no dependencies, designed for displaying and editing large datasets in web applications.

MathJax

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

SignalR

A library for ASP.NET that enables real-time two-way communication between servers and clients.

html2canvas

A script that takes "screenshots" of web pages or parts of them, directly on the user's browser.

Lite YouTube

A lightweight YouTube embed designed to improve page loading performance.

Barba.js

A lightweight library to make websites run like a SPA by creating smooth transitions between pages.