# Included Libraries

In addition to core node.js modules, all packages can `require` the following popular
libraries into their packages:

* [SpacePen](https://github.com/nathansobo/space-pen) (as `require 'space-pen'`)
* [jQuery](http://jquery.com/) (as `require 'jquery'`)
* [Underscore](http://underscorejs.org/) (as `require 'underscore'`)

Additional libraries can be found by browsing Atom's _node_modules_ folder.