Sample_rails_app is a project mainly written in RUBY and JAVASCRIPT, it's free.
Sample Rails Application
== Welcome to my Rails 3 Sample Application
This is only an application that I have developed by reading the Book "Ruby on Rails 3 Tutorial - Learn Rails by Example" by Michel Hartl.
I heartly thank Michel Hartl and its publisher for all the efforts. While you may read the freeversion of the book online, having a copy of it is certainly worth it. The video casts supplimentary of this book is available for sale too. I intend to buy it soon, and even personally push for its purchase to our office library.
Hartl advises to use the following tools in your everyday rails development: