Can be found here
Read the Features. They are inside the directory features. Look for files ending in .feature extension.
I am using this Rails application, among others, when teaching my students. Things that are interesting are the following:
Cucumber. Has been used to describe the requirements of this application.RSpec. Has been used to describe the specification of the interfaces (unit tests).foreigner. This gem has been used to define foreign keys.HAML. Has been used as the view template language.Twitter Bootstrap. Has been used as a CSS framework.SASS. Has been used as the CSS preprocessor.simple_form. Has been used to simplify the forms.site_prism. Has been used to implement the Page Object Pattern. The page objects of the application can be found in their own directory:page_objectsfactory_girl. Has been used to create instances with ease.selenium-webdriver. Has been used in a couple of tests when javascript was necessary.- A full-page background image decorates the application. Nice technique to implement this has been found on css-tricks.
- Ajax techniques to demonstrate how one can create a resource while editing another.
select2-railsjQuery plugin to have nice and user-friendly functional select boxes- ...More about it, while teaching.
You can always find me here

