iLightBox

A commercial jQuery lightbox plugin.

Lottie Player

An official player for Lottie animations.

A pure JavaScript lightbox that can display images, iframes, inline content and videos.

Scriptaculous

A set of JavaScript libraries to enhance the user interface of web sites.

Sticky Sidebar

A library for making sticky sidebars, available in pure JavaScript or as a jQuery plugin.

A lightweight and flexible script that speeds up your web application by delaying the loading of your below-the-fold images, videos and iframes until they enter the viewport.

Highlight.js

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

Emotion

A framework agnostic library designed for writing CSS styles with JavaScript.

PDF.js

A Portable Document Format file viewer built with JavaScript and HTML5.

CKEditor

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

Cufon

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

List.js

A lightweight vanilla JavaScript library that enhances HTML lists, tables, and other elements with client-side search, sorting, and filtering functionality.

Flowplayer

A commercial video player, the older version of which is open source.

A global utility for tracking the current input method (mouse, keyboard or touch).

GeoJS

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

Locomotive Scroll

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

Tether

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

Mapbox GL JS

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

Socket.io

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

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

OpenLayers

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

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

Fotorama

A simple yet powerful responsive jQuery image gallery.

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

flv.js

An HTML5 Flash Video Player written in pure JavaScript without Flash.