OmniAuth

Devise token authlynndylanhurley/devise_token_auth

Token-based authentication for Rails JSON APIs, seamlessly integrated with Devise and multiple client libraries.

Authentication Zerolazaronixon/authentication-zero

A Rails authentication system generator that creates customizable, secure authentication code directly in your application.

omniauth-facebookmkdynamic/omniauth-facebook

A Facebook OAuth2 strategy for OmniAuth, enabling Ruby applications to authenticate users via Facebook.

omniauth-twitterarunagw/omniauth-twitter

OmniAuth strategy for implementing Sign in with Twitter using OAuth 1.0a in Ruby applications.