yargs the modern, pirate-themed, successor to optimist.
A logger for just about everything.
A deep deletion module for node (like `rm -rf`)
A light-weight module that brings window.fetch to node.js
A library for promises (CommonJS/Promises/A,B,D)
elegant & feature rich browser / node HTTP with a fluent API
Simple to use, blazing fast and thoroughly tested websocket client and server for Node.js
The official MongoDB driver for Node.js