Microsoft MakeCode provides Blocks / JavaScript / Python tools and editors
Microsoft MakeCode (PXT) common packages
rpi-ws281x
Raspberry Pi RGB Matrix addon for Node
A Node.js I2C module for the BME280 Humidity, Barometric Pressure, and Temperature Sensor. Also includes support for the BMP280 Barometric Pressure and Temperature Sensor.
Lightweight debugging utility for Node.js and the browser
Lodash modular utilities.
React is a JavaScript library for building user interfaces.
A querystring parser that supports nesting and arrays, with a depth limit
Higher-order functions and common patterns for asynchronous code
Babel compiler core.