Ur-simple-sinatra-frontend is a project mainly written in JAVASCRIPT and RUBY, it's free.
A simple Sinatra application demonstrating how to use the ur-product gem.
A simple Sinatra application demonstrating the use of the ur-product and ur-sab gems.
sudo gem install ur-product ur-sab
git clone git://github.com/c7/ur-simple-sinatra-frontend.git