open source projects using ruby on rails - http://wiki.rubyonrails.org/rails/pages/OpenSourceProjects
A list of open source Rails projects for you to use, view, and contribute to. - [Read more]

Rails Weenie - http://rails.techno-weenie.net/
Ask questions and get answers from the Ruby on Rails community. Get points for offering your tips and tricks to other members. - [Read more]