Time Based OTP/rfc6238 authentication for Devise

Better routes patch for Devise

BrowserID helpers for Devise - DISCONTINUED

Mozilla BrowserID/Persona authentication module that works with Rails 3.1+ and Devise 2.1+

Deactivate support for Devise.

Devise Google Authenticator Extension, for adding Google's OTP to your Rails apps!

Ensure that devise will update a flag/timestamp on the model whenever a user is authenticated.

If you like to use Devise, but wish it had an easy token authentication system that handles a user logging in from multiple devices, DeviseMultipleTokenAuth is for you.

NoBrainer adapter for Devise

Implements OAuth2 for Devise, specifically integrating with facebook Graph

Rails3 engine that adds OAuth2 Provider support to any application built with Devise authentication

Adds one time token authentication to devise

For authenticating against PAM (Pluggable Authentication Modules)

A devise extension to curb password sharing.

Token-based rails-api authentication with Devise

It tracks the referring entity via cookie, and creates a record when user registers.

A devise-encryptable password encryptor that uses SCrypt

devise_session_expirable is an enhanced version of devise's timeoutable module that ensures that no session is allowed to last forever.

Module provide sms confirmation.You can handle SMS Message template as Devise handles ActionMailer template.

Module provide sms confirmation.You can handle SMS Message template as Devise handles ActionMailer template.