It's just a ORM for integrate Devise and CouchDB.
Apache CouchDB is a document-oriented database that can be queried and indexed in a MapReduce fashion using JavaScript. http://couchdb.apache.org/
CouchRest Models adds additional functionality to the standard CouchRest Document class such as setting properties, callbacks, typecasting, and validations. http://github.com/couchrest/couchrest_model/
Devise is a flexible authentication solution for Rails based on Warden. Devise supports ActiveRecord (default) and Mongoid. To choose other ORM, you just need to require it in the initializer file. http://github.com/plataformatec/devise/
Now your application is ready to use Devise with CouchDB =)
Devise will use this ORM to create the properties into the documents and views for the autheticable models (including authentication keys)
Create Tests
Maybe convert this ORM to a plugin
Make some refactoring
Special thanks to:
Tapajós @tapajos
Sylvestre Mergulhão @smergulhao