A Ruby gem that assists in building authentication using Estonian ID card

Eteos Client for Rails allows cross-website authentication via the Eteos authentication service (www.eteos.com) in two lines of code for Rails applications. Even integrates with ActiveRecord user models simply and easily.

Ruby wrapper for Firebase's native and third-party authentication.

A rails gem/plugin that handles authentication

A Challah plugin to allow authentication and registration with Facebook API.

Includes authentication, tracking, and lots of convenience methods

This gem can generate a scaffold flex application based on PureMVC Multicore using the pipes utility abstracted by the fabrication framework. The initial application will be generated based on custom project name, title, src folder and package. Plus will include two modules: an authentication mod...

Integrates iPizza authentication to your rails app almost effortlessly

Connect Ruby applications to Bigcommerce APIs through OAuth or basic authentication

This library simplifies life when it comes to authentication in a Facebook iFrame application

Fernet rack authentication middleware

An authentication and service location service.

Use HTTP Basic Authentication for login and IMPLICIT registration!

Truefactor.io can be your only authentication option or you can add it to existing auth schemes such as devise, authlogic etc.

A Sinatra Extension that simplifies using twitter for login and authentication.

Garage extension to use JWT as authentication strategy.

A library for doing SASL based authentication mechanisms

An engine that provides a basic User model, authentication logic, and remote credential management for G5 applications.

CAS Authentication via Rack Middleware

Access token for client-side and API authentication.