Allow authentication via an application token

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

Internal authentication handlers for OmniAuth.

Rails plugin for simple Facebook session authentication

This gem is like the `warden_openid_auth` gem, except that it only provides support for the very last step of the OAuth code flow, i.e. when the resource server / relying party (your Ruby Web app) validates the bearer token. Use this gem if your client-side Web (or mobile) app will be taking ca...

Email based authentication with mobile devices

EdgeAuth is an authentication solution

Perform 2-factor authentication using duosecurity.com

Use session objects for token authentication

Devise extension to allow authentication via Stormpath

PKCS #12 authentication for Devise.

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

Devise PostgreSQL authentication module

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.

add OAuth2 authentication to rails3 application

Devise extension to allow authentication using JWT

OAuth 2 authentication with Active Directory Federations Services OpenId Connect.

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

Devise extension to allow authentication via iChain

Webmoney authentication module for Devise using Rack::Webmoney