A library for promises (CommonJS/Promises/A,B,D)
A tiny wrapper around Node.js streams.Transform (Streams2/3) to avoid explicit subclassing noise
YAML 1.2 parser and serializer
Recursively mkdir, like `mkdir -p`
Lodash modular utilities.
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.
fs-extra contains methods that aren't included in the vanilla Node.js fs package. Such as mkdir -p, cp -r, and rm -rf.
the complete solution for node.js command-line programs
Streams3, a user-land copy of the stream library from Node.js