Like most Ruby on Rails applications, Racing on Rails has a long list of prerequisites. However, they are typical Rails prerequsites, so if you are already developing with Ruby on Rails, you may already have them installed. Also consider all-in-one Rails installers for Windows and Mac OS X, Free BSD Ports, or Linux packages.

Racing on Rails is developed and tested on MySQL 5.1, but any modern version should work. In fact, it should run on any Rails-supported database with few changes.

If you install Rails as a Ruby gem, install all the dependencies (e.g., Rake) as well.

Subversion is a source control tool useful for production deployments and working on Racing on Rails itself.

Capistrano is an automated Rails deployment tool. It's a good way to do handle your production deployments. If you install Capistrano, you'll want the its prerequisites as well.

Mongrel Local Gem