Rails and Devise. Resources and Devise Tutorial.


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    Thanks so much for this. There are so many Rails tutorials for absolute beginners, and lots of stuff that assumes expert knowledge, but not much, besides practice, to span the gap. Rick Quantz, HackerNews, 13 May 2011

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    I will be starting a new job here in SF, due in no small part to what I've learned here from the RailsApps Project. Joseph May, 23 Dec 2013

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    I would like to say thank you for such a precise guide. It helped me understand how things work a great deal quicker than all of the bits and pieces I was reading around the web. Justin Booth

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    @danielkehoe is somewhat of a hero with the stuff he puts on @github Warwick Poole, Twitter, 2 July 2011

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    Crazy Deep! Peter Cooper, Ruby Weekly, 19 May 2011

Rails Devise Tutorial

Devise Quickstart Guide

Devise Quickstart Guide


  • build a starter application with Devise
  • Devise architecture and API
  • customize an application with Devise
  • tips and tricks for Devise
  • adding tests for Devise
Devise Example Application

Use as a starter app:

  • open source
  • maintained and working code
  • clone from GitHub, or
  • generate with Rails Composer
  • $19
  • Per Month
  • All tutorials, includes Devise Quickstart Guide
  • Books included
  • Support the example applications
  • Support Rails Composer
  • $349
  • Per Year
  • All tutorials
  • Books included
  • For Your Entire Team
  • Invite Multiple Users

Rails 4.2 Examples

Our example applications show how to use RSpec, Bootstrap or Foundation, Devise, Pundit, and OmniAuth. All are open source, thanks to support from our subscribers.


Use our Rails Composer tool to generate a starter app with a choice of popular gems. Save time and effort when you start any project. Again, open source, thanks to our subscribers.

Books and Guides

Our books and guides are available exclusively to paid subscribers. Your monthly subscription provides financial support for the project. In exchange, we give you in-depth documentation.



In addition to the Rails Composer tool, your subscription supports development and maintenance of the Rails Layout gem and the RailsAppsComposer gem.

The Book

The Books

Learn Ruby on Rails is the acclaimed book for beginners. Available here, with a subscription, or on Amazon.

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Your participation insures the survival of a project that benefits Rails developers all over the world. Plus, you get exclusive access to a book and tutorials so you can build and learn.

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