Parse, validate, manipulate, and display dates

elegant & feature rich browser / node HTTP with a fluent API

ECMAScript extensions and shims

RFC4122 (v1, v4, and v5) UUIDs

Array#isArray for older browsers

A robust Punycode converter that fully complies to RFC 3492 and RFC 5891, and works on nearly all JavaScript platforms.

Browser-friendly inheritance fully compatible with standard node.js inherits()

A querystring parser that supports nesting and arrays, with a depth limit

Express style path to RegExp utility

HTTP server cookie parsing and serialization

ES2015 `Object.assign()` ponyfill

An incremental implementation of MurmurHash3

Node's event emitter for all engines.

Escape string for use in HTML

Cooperative scheduler for the browser environment.

Runtime type checking for React props and similar objects.

React is a JavaScript library for building user interfaces.

process information for node.js and browsers

React package for working with the DOM.

Simple event emitter

The core `url` packaged standalone for use with Browserify.

High-priority task queue for Node.js and browsers

Immutable Data Collections

invariant

Bare bones Promises/A+ implementation

Declarative routing for React

A mirror of Facebook's Warning

Node's querystring module for all engines. (ES3 compat fork)

A collection of utility libraries used by other Facebook JS projects

Manage session history with JavaScript

Dead simple Object schema validation

Resolve URL pathnames using JavaScript

Are these two JavaScript values equal?

Client for the realtime Engine

Easily measure performance metrics in JavaScript

The official, opinionated, batteries-included toolset for efficient Redux development

Configuration and scripts for Create React App.

The Cloud Firestore component of the Firebase JS SDK.

A simple base class for creating fast, lightweight web components

Collection of React Hooks

Hooks for managing, caching and syncing asynchronous and remote data in React

A flexible math expression evaluator

An application architecture based on a unidirectional data flow

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

This component displays as a tag with an optional link and/or button to remove the given tag.

Static route config matching for React Router

A responsive image polyfill.