Rails 4.0.0 final version is bundled with a fresh gem called as Sextant. Sextant gives us another way instead of using
rake routes. Too see all available routes in Rails 4: run
rails server then use the url shown below:
This url shows your application's available helpers, http verbs, paths and actions like as rake command.
Besides that, it will appear any Routing Error messages in your browser as well.
Bonus: Also you can see your application's properties using this url: