Four Days on Rails is an awesome 40-page PDF tutorial that will get you started developing with Ruby on Rails. PDF translations are available in Japanese, Chinese and Spanish also. This tutorial is not meant to be comprehensive but rather to be used as a starting point for learning some basic Rails techniques as well as giving you some ideas of where to look online for further Rails resources.
Ruby on Rails is a fantastic new web application development framework that promises to reduce the time you spend coding web apps. Some examples of sites using Rails are:
