rails-brakeman.com is aimed to help developers find out the security issues in their rails codebase.
it is based on brakeman gem.
git clone repository
copy all config files and change to proper values
cp config/database.yml.example config/database.yml
cp config/github.yml.example config/github.yml
cp config/mailers.yml.example config/mailers.yml
rake db:create && rake db:migrate
rails s