Streams3, a user-land copy of the stream library from Node.js
A querystring parser that supports nesting and arrays, with a depth limit
parse argument options
Handlebars provides the power necessary to let you build semantic templates effectively with no frustration
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.
Higher-order functions and common patterns for asynchronous code
Fast, unopinionated, minimalist web framework