Packs ECMAScript/CommonJs/AMD modules for the browser. Allows you to split your codebase into multiple bundles, which can be loaded on demand. Supports loaders to preprocess files, i.e. json, jsx, es7, css, less, ... and your custom stuff.
UtilityJs is a utility library that provides a collection of utility functions for various tasks. The library is designed to be easy to use and covers the most common use cases.