Rails3_demo_app is a project mainly written in ..., it's free.
ruby 1.9.2 + rails3 demo app
h1. rails3 demo app
h2. short intro
developed by ruby 1.9.2 + rails 3.0.3 + mysql,it is a good tutorial to start studying rails3
h2. default http_basic_auth
username:admin password:admin
h2. features
h2. live demo:
"demo":http://rails3-demo-app.heroku.com