TwoFactorAuth makes it easy to set up two-factor authentication for your users, whether through Devise or your custom Rails or Ruby authentication.

This gem provides a lightweight single-sign-on authentication framework to a Rails application based on Mozilla's Persona service (see: https://login.persona.org/about). Persona identifies users by email address and authenticates them using the BrowserID protocol. This lets a clie...

An easy drop in solution for rails to use GitHub authentication.

Yet Another Authentication Gem (YAAG) provides passwordless authentication for your Ruby on Rails app, all it takes is the user's e-mail address.

A Rails Engine to make it as easy as possible to add oauth authentication to a Rails app.

An authentication system generator for Rails applications

Simple CAS authentication for Rails, Sinatra or any Rack-based site

Manages collecting of facebook authentication and provides helpers. It uses koala and is built for Rails 3.

simple rails authentication

simple rails authentication

Hotwire compatible authentication for Ruby on Rails apps

JWT authentication solution for Rails APIs

Provides a set of generators that will extend your Rails 8+ application's authentication to enable Passkey usage as first or second factor.

MiniAuth is a pragmatic authentication gem for Rails that is inspired by Laravel's guards pattern that provides highly customizable and simple authentication for your web applications and APIs.

A gem providing Rails with authentication, Facebook Connect, MadMimi, and DelayedJob support

Allows Ruby on Rails applications to easily integrate to federated authentication sources particuarly those served by Shibboleth service providers.

dm-devise adds DataMapper support to devise (http://github.com/plataformatec/devise) for authentication support for Rails

The devise-api gem is a convenient way to add authentication to your Ruby on Rails application using the devise gem. It provides support for access tokens and refresh tokens, which allow you to authenticate API requests and keep the user's session active for a longer period of time on the client ...

A Merb plugin that is essentially a port of Rick Olsons restful_authentication plugin for rails

dm-devise adds MongoMapper support to devise (http://github.com/plataformatec/devise) for authentication support for Rails