+### Introduction
+{: .-intro}
+
+[Factory Bot](http://www.rubydoc.info/gems/factory_bot/) is a helper for writing factories for Ruby tests. It was previously known as Factory Girl. For older versions, use `FactoryGirl` instead of `FactoryBot`.
+
+- [Factory Bot documentation](http://www.rubydoc.info/gems/factory_bot/) _(rubydoc.info)_
+- [Getting started](https://github.com/thoughtbot/factory_bot/blob/master/GETTING_STARTED.md) _(github.com)_
+- [Source code](https://github.com/thoughtbot/factory_bot) _(github.com)_
+