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.
A library for promises (CommonJS/Promises/A,B,D)
small debugging utility
Streams3, a user-land copy of the stream library from Node.js
A tiny wrapper around Node.js streams.Transform (Streams2/3) to avoid explicit subclassing noise
Recursively mkdir, like `mkdir -p`
Simplified HTTP request client.
yargs the modern, pirate-themed, successor to optimist.