Streams3, a user-land copy of the stream library from Node.js
Higher-order functions and common patterns for asynchronous code
Tiny, fast, and elegant implementation of core jQuery designed specifically for the server
Simple to use, blazing fast and thoroughly tested websocket client and server for Node.js
Fast, unopinionated, minimalist web framework
Recursively mkdir, like `mkdir -p`
a little globber
A deep deletion module for node (like `rm -rf`)
fs-extra contains methods that aren't included in the vanilla Node.js fs package. Such as mkdir -p, cp -r, and rm -rf.
yargs the modern, pirate-themed, successor to optimist.