Simple token authentication designed to work with mongoid. This gem simply provides a simple interface for authentication.

Easy to use Salesforce REST API caller, using the Username-Password OAuth Authentication Flow.

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 Ruby gem providing convenient access to the authentication API for session validation, user management, and authentication flows.

A simple HMAC-based and time-based two-factor authentication library for usage within two-factor authentication mechanisms.

Provides secondary authentication by asking the user to select their chosen images

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

ruby gem for authentication of api clients authentication

Offers authentication for rack applications.

Gemified restful_open_id_authentication plugin

MailOdds provides email validation services to help maintain clean email lists and improve deliverability. The API performs multiple validation checks including format verification, domain validation, MX record checking, and disposable email detection. ## Authentication All API requests requi...

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

A rails engine for email and password based account authentication.

Simple authentication plugin for sinatra.

Simple key/secret based authentication for apis

Hotwire compatible authentication for Ruby on Rails apps

Provides a thin wrapper around the excellent ruby-openid gem from JanRan. gem version is unofficial, github fork of rails's by moro

Provides a thin wrapper around the excellent ruby-openid gem from JanRan. gem version is unofficial, github fork of rails's by moro

OTP authentication for Devise

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