HeadJS

A JavaScript loader that loads scripts in parallel, but executes them in order.

AlertifyJS

A JavaScript framework for developing pretty browser dialogs and notifications.

Slideout.js

A touch slideout navigation menu for your mobile web apps.

Dropzone.js

A drag and drop JavaScript library that supports image previews and shows progress bars.

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

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

Lite YouTube

A lightweight YouTube embed designed to improve page loading performance.

A Javascript library for non-blocking notifications.

Turbo

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

Ion.RangeSlider

An open-source responsive range slider with skin support.

Tether

A client-side library to make absolutely positioned elements attach to elements in the page efficiently.

YUI

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

Analytics.js

An open-source library that collects customer data and sends it to many different tools using an API from Segment CDP.

MathJax

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

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.

HLS.js

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

StyleX

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

Choices.js

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

Closure Library

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

A simpler rewrite of Google's libphonenumber library in JavaScript.

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.

Quill

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

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

PouchDB

An open-source JavaScript database inspired by Apache CouchDB that is designed to run well within the browser.