small debugging utility
yargs the modern, pirate-themed, successor to optimist.
simple, flexible, fun test framework
Promise based HTTP client for the browser and 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.
Tiny, fast, and elegant implementation of core jQuery designed specifically for the server