Fabric.js

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

YUI

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

SimpleParallax

A lightweight and easy-to-use React and JS library that adds parallax animations to any image.

Lit

An open-source JavaScript library for building fast and lightweight web components, developed as the successor to Google's Polymer project.

Mustache.js

A zero-dependency implementation of the mustache template system in JavaScript.

Stacktable.js

jQuery plugin for stacking tables on small screens.

date-fns

Provides the most comprehensive set of over 200 functions for manipulating dates in JavaScript.

GeoJS

A REST-based IP geolocation service that provides APIs without authentication or rate limits.

Prefix-free

A legacy script that adds browser prefixes to CSS code when needed for old browsers.

SignalR

A library for ASP.NET that enables real-time two-way communication between servers and clients.

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

FastClick

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

Vanta.js

A script that allows you to add animated 3D backgrounds to any webpage with just a few lines of code.