Devise is a flexible authentication solution for Rails based on Warden. It:
* Is Rack based;
* Is a complete MVC solution based on Rails engines;
* Allows you to have multiple roles (or models/scopes) signed in at the same time;
* Is based on a modularity concept: use just what you really need.
These details are provided for information only. No information here is legal advice and should not be used as such.