Material UI: Comprehensive React component library that implements Google's Material Design. Free forever.

Storybook is the industry standard workshop for building, documenting, and testing UI components in isolation

Realtime application framework (Node.JS server)

A JS library for predictable global state management

Declarative routing for React

Lerna is a fast, modern build system for managing and publishing multiple JavaScript/TypeScript packages from the same repository.

Simple, scalable state management.

Official React bindings for Redux

The web's most popular Jamstack front-end template (boilerplate) for building web applications with React

Drag and Drop for React

Selector library for Redux

The monorepo home to all of the FormatJS related libraries, most notably react-intl.

An image processing library written entirely in JavaScript for Node, with zero external or native dependencies.

DevTools for Redux with hot reloading, action replay, and customizable UI

The JavaScript and API powered WordPress.com

A functional and reactive JavaScript framework for predictable code

Find newer versions of package dependencies than what your package.json allows

mutate a copy of data without changing the original source

Hooks, Context Providers, and Components that make it easy to interact with Firebase.

An in-place DOM diffing library

WarpDrive is a lightweight data library for web apps — universal, typed, reactive, and ready to scale.

Simple extensive tar-like archive format with indexing

ICU MessageFormat for Javascript - i18n Plural and Gender Capable Messages

Atoms for Blaze UI

🔍 Power of Browser DevTools inspectors right inside your React app

Moved to Polymer/tools monorepo

tiny, extremely modular, DOM helper library for IE9+

Component oriented framework with Virtual dom (fast, stable, with tooling)

A request library that returns promises, inspired by request