fs-extra contains methods that aren't included in the vanilla Node.js fs package. Such as mkdir -p, cp -r, and rm -rf.
Simple to use, blazing fast and thoroughly tested websocket client and server for Node.js
A querystring parser that supports nesting and arrays, with a depth limit
get colors in your node.js console
Tiny, fast, and elegant implementation of core jQuery designed specifically for the server
Streams3, a user-land copy of the stream library from Node.js