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
the complete solution for node.js command-line programs
simple, flexible, fun test framework
Node.js body parsing middleware
elegant & feature rich browser / node HTTP with a fluent API
The semantic version parser used by npm.
small debugging utility
A library for promises (CommonJS/Promises/A,B,D)
The official MongoDB driver for Node.js