StyleX

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

CKEditor

A JavaScript-based WYSIWYG rich text editor used in web applications to create and edit formatted content directly in the browser.

Lozad.js

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

Instant.Page

Uses just-in-time preloading - it preloads a page right before a user clicks on it.

Critters

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

A lightweight JavaScript library that allows you to animate SVGs, giving them the appearance of being drawn.

Marked

A fast, lightweight, low-level markdown parser and compiler.

Fastly Polyfill

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

Lenis

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

Fabric.js

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

ScrollReveal

A commercial JavaScript library for animating elements as they enter/leave the viewport.

Socket.io

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

A Javascript library for non-blocking notifications.

A jQuery flexible font plugin that allows elements to fill the width of their parent elements.

BaguetteBox.js

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

Closure Library

A low-level JavaScript library designed for building complex and scalable web applications.

Grid.js

An open-source JavaScript table plugin for displaying tabular data with built-in search, sorting, and pagination features.

Plyr

A simple, lightweight, accessible and customizable HTML5, YouTube and Vimeo media player.

Animsition

A simple jQuery plugin for CSS animated page transitions.

Turbo

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

Web Vitals

A lightweight JavaScript library for measuring Core Web Vitals and related performance metrics on real users in the browser.

Picturefill

A responsive image polyfill for , srcset, sizes, and more.

HLS.js

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

Mapbox GL JS

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

YUI

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