ProgressBar.js

A lightweight library for creating responsive and stylish progress bars with animated SVG paths.

Axios

A promise based HTTP client for the browser and Node.js.

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

GeoJS

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

VenoBox

Responsive vanilla JS lightbox plugin, suitable for images, videos, and iframes.

fullPage.js

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

Babel

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

Barba.js

A small and easy to use library to make websites run like a SPA by creating smooth transitions between pages.

Locomotive Scroll

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

Emotion

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

Dropzone.js

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

flv.js

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

Lozad.js

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

Mapbox GL JS

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

iScroll

A high-performance JavaScript library for smooth scrolling.

BaguetteBox.js

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

JavaScript form validation, without actually writing a single line of JavaScript.

FastClick

A library for eliminating the 300ms delay between a physical tap and the firing of a click event on mobile browsers.

Flowplayer

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

YUI

An open-source JavaScript and CSS library for building richly interactive web applications.

HLS.js

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

React Helmet

A document head manager for React.

Choices.js

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

html2canvas

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

Paper.js

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