yargs the modern, pirate-themed, successor to optimist.
Simple to use, blazing fast and thoroughly tested websocket client and server for Node.js
Promise based HTTP client for the browser and node.js
Redis client library
Tiny millisecond conversion utility
Simplified HTTP request client.
fs-extra contains methods that aren't included in the vanilla Node.js fs package. Such as mkdir -p, cp -r, and rm -rf.