YUI

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

fullPage.js

A library that creates fullscreen scrolling websites with landscape sliders inside the sections of the page.

OpenLayers

An open-source, feature-packed library for creating interactive maps on the web.

Lite YouTube

A lightweight YouTube embed designed to improve page loading performance.

BaguetteBox.js

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

Turbolinks

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

Turbo

A lightweight JavaScript library that provides the speed and feel of a single-page application without requiring developers to write any JavaScript.

Scriptaculous

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

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

Critters

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

Choices.js

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

Highlight.js

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

Pinia

An open-source state management library for Vue.js, the official successor to Vuex and the recommended solution for sharing state across components and pages.

html2canvas

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

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

Fastly Polyfill

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

Paper.js

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

Cufon

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

Babel

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

Pts

A lightweight and modular typescript library that comes with many useful algorithms for visualization and creative coding.

Locomotive Scroll

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

Day.js

Fast 2kB alternative to Moment.js with the same modern API.

iScroll

A high-performance JavaScript library for smooth scrolling.

Quicklink

An open-source JavaScript library from the Google Chrome team that speeds up subsequent page loads by prefetching links likely to be visited next.

StyleX

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