Higher-order functions and common patterns for asynchronous code
Redis client library
A querystring parser that supports nesting and arrays, with a depth limit
Streams3, a user-land copy of the stream library from Node.js
Simple to use, blazing fast and thoroughly tested websocket client and server for Node.js
Handlebars provides the power necessary to let you build semantic templates effectively with no frustration
Fast, unopinionated, minimalist web framework
fs-extra contains methods that aren't included in the vanilla Node.js fs package. Such as mkdir -p, cp -r, and rm -rf.