Warden makes it easy to move authentication up into Rack middleware. This means authentication can be accessed outside of a Rails controller such as in routes or in a mountable engine. (12 minutes)

With the release of OmniAuth 1.0 there is a new Identity strategy which allows users to register/login with a password if they don't want to use an external provider. (11 minutes)

Sorcery is a full-featured, modular solution to authentication which leaves the controller and view layers up to you. (10 minutes)

It is easy to create authentication from scratch, but how do we extend it with more features? Here I add a "remember me" check box and a "forgotten password" link. (12 minutes)

Here I show off three new features in Rails 3.1 that will help with authentication: easier HTTP Basic, SecurePassword in the database, and forcing SSL. (7 minutes)

Password authentication is not too complicated to make from scratch, it will also help to get a better understanding of how it works. (15 minutes)

Authentication is incredibly simple to add with just OmniAuth if you don't need username/password or multiple authentications per user. (9 minutes)

In this episode we continue our look at integrating OmniAuth with devise. Here I show how to set up new users with validations. (15 minutes)

OmniAuth is an easy way to add many different authentication services to your app. In this episode we start integrating it with Devise. (10 minutes)

Janrain Engage (aka RPX) makes it easy to support many authentication solutions through their one service. (6 minutes)