The Rails application template feature makes for great starter app tooling.<p>I keep a list of Rails application templates at <a href="http://railsapps.github.io/rails-application-templates.html" rel="nofollow">http://railsapps.github.io/rails-application-templates.html</a>.<p>I've also got a list of starter apps at <a href="http://railsapps.github.io/rails-examples-tutorials.html" rel="nofollow">http://railsapps.github.io/rails-examples-tutorials.html</a>.<p>Starter apps are handy but even more interesting is the discussion about what gems should go in a starter app.