Authentication for all Rails Api applications

Webmoney authentication module for Devise using Rack::Webmoney

Devise extension to allow authentication via iChain

Flexible authentication solution for Rails with Warden, translated in FR by Ennder

Devise extension to allow authentication using JWT

add OAuth2 authentication to rails3 application

Devise extension to allow authentication to multiple LDAP servers, or with multiple configurations to the same LDAP server. Fork of the devise_ldap_authenticatable project.

Devise PostgreSQL authentication module

Time Based OTP/rfc6238 compatible authentication for Devise with Devise 4.2 and Rails 5 compatibility. Drop-in replacement for devise-otp.

PKCS #12 authentication for Devise.

Devise extension to allow authentication via Stormpath

Use session objects for token authentication

Perform 2-factor authentication using duosecurity.com

EdgeAuth is an authentication solution

Email based authentication with mobile devices

A simple rails engine to implement authentication using Facial recognition system

Rails plugin for simple Facebook session authentication

Internal authentication handlers for OmniAuth.

A (really) simple gem around fb_graph for canvas authentication in Facebook

Allow authentication via an application token