React is a JavaScript library for building user interfaces.

High performance (jankfree) lazy loader for images (including responsive images), iframes and scripts (widgets).

ECMAScript extensions and shims

An ES7/ES2016 spec-compliant `Array.prototype.includes` shim/polyfill/replacement that works as far down as ES3.

2KB immutable date time library alternative to Moment.js with the same modern API

Standard library

A lightweight library that provides tools for organizing asynchronous code

Angular - the core framework

Datadog browser core utilities.

A simple base class for creating fast, lightweight web components

Auth0 SDK for Single Page Applications using Authorization Code Grant Flow with PKCE

BezierEasing provides Cubic Bezier Curve easing which generalizes easing functions exactly like in CSS Transitions.

Web Font Loader gives you added control when using linked fonts via @font-face.

modern domready

Lightweight analytics library for tracking events, page views, & identifying users. Works with any third party analytics provider via an extendable plugin system.

Compiles a function to compute the plural forms index for a given value

A responsive image polyfill.

Eliminates layout thrashing by batching DOM read/write operations

Give your page some headroom. Hide your header until you need it