Hyperaudio Lite - a Super-lightweight Interactive Transcript Player

Coding exercises

The Stack Overflow clone for your team (self-hosted or hosted)

🐐 Simple and complete React DOM testing utilities that encourage good testing practices.

Fast, expressive styling for React. Server components, client components, streaming SSR, React Native—one API.

Code samples for CEP extensions

🤘 Present code with style

Simple animation libraries for delightful user interfaces

Cracking the Coding Interview 6th Ed. JavaScript ES2015 Solutions

A React utility belt for function components and higher-order components.

A React-based library for creating sleek presentations using JSX syntax that gives you the ability to live demo your code.

Resize an iframe responsively depending on the height of its content and the width of its container.

Awesome list of Draft.js resources

Tweak React components in real time. (Deprecated: use Fast Refresh instead.)

Declarative routing for React

💮 amazing QRCode generator in Python (supporting animated gif) - Python amazing 二维码生成器（支持 gif 动态图片二维码）

GoReplay is an open-source tool for capturing and replaying live HTTP traffic into a test environment in order to continuously test your system with real data. It can be used to increase confidence…

A book series (2 published editions) on the JS language.

🚫 DEPRECATED: The Sphero JavaScript SDK to control Sphero robots.

[deprecated in favor of https://microsoft.github.io/react-native-windows/] React Native for macOS is an experimental fork for writing desktop apps using Cocoa

A node.js API for mixpanel

Async utilities for node and the browser

A complete and totally customizable component for notifications in React

Botkit is an open source developer tool for building chat bots, apps and custom integrations for major messaging platforms.

Ascii Tables for JS

Node based implementation of quickQuote, exporting to twitter video API

👌 Drag and drop so simple it hurts

JavaScript Style Guide

JavaScript Testing utilities for React