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

A library that simplifies the authentication and storing of credentials for applicartions that use the Flickr API

A lightweight authentication extension for Sinatra with PostgreSQL -- longer description

Delegates OAuth authentication to other authentication server

IAuthU provides a basic iTunes U authentication server, along with libraries for building iTunes U authentication servers into your own application.

Provides Rails generators for authentication, user management, password resets, and mailers, streamlining the setup of secure user authentication in Rails applications.

Delegated Authentication protocol developer strategy for Omniauth

Registrar standardizes Authentication Responses through Rack Middleware and works well with common authentication mechanisms like OmniAuth.

Interface to the authentication token service

This Vagrant plugin allows user to define box urls that use HTTP Basic Authentication

avdt_ldap is a simple LDAP authentication library for user authentication on multiple LDAP directories

Enables using the Bouncer microservice for authentication. Includes test helpers, authentication helpers, and Redis caching

Token authentication using JSON Web Token for Rails with Devise.

Authentication solution for RoR that focusses on a flexible setup for multiple authentication strategies.

This gem is to create and get data for a central authentication server.

Active Directory authentication module for Devise, based off of LDAP Authentication

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

Firebase Authentication for Ruby client

Rails Engine to provide authentication for Thincloud applications

authentication