Recursively mkdir, like `mkdir -p`
fs-extra contains methods that aren't included in the vanilla Node.js fs package. Such as mkdir -p, cp -r, and rm -rf.
YAML 1.2 parser and serializer
A querystring parser that supports nesting and arrays, with a depth limit
simple, flexible, fun test framework
elegant & feature rich browser / node HTTP with a fluent API
Streams3, a user-land copy of the stream library from Node.js
Packs CommonJs/AMD modules for the browser. Allows to split your codebase into multiple bundles, which can be loaded on demand. Support loaders to preprocess files, i.e. json, jsx, es7, css, less, ... and your custom stuff.
Simple to use, blazing fast and thoroughly tested websocket client and server for Node.js