HTTP Basic authentication solution for Rails 3

Create a Rails app with authentication, authorization using Devise and CanCan

Vendor-agnostic authentication component for Rails APIs

Integrates iPizza authentication to your rails app almost effortlessly

Genkan is authentication engine for Rails

Flexible authentication solution for Rails with Warden, translated in FR by Ennder

PadAuth is a simple authentication gem for Rails and part of the Padstone app builder

AuPair provides token-based authentication and versioning for Rails API applications.

This generator can add powerful authentication and authorization to a clean Rails application with a single command. Configures a Rails application for use with the authlogic and declarative_authorization gems, and generates all code (migrations, models, controller methods, routes, roles, seeds,...

Toke is a rails engine that can be used in a rails api to provide simple token authentication.

Quickly check your rails controller actions require authentication

Really simple authentication scaffold generator for Rails

A Rack middleware and Railtie(for Rails3) for API key authentication.

PHCDevworks Accounts Stytch is a Ruby on Rails Engine for Stytch Authentication.

A simple rails engine to implement authentication using Facial recognition system

An authentication bootstrapper for your Rails application.

Drop in password and JWT token authentication for Ruby on Rails

capcoauth-gem is a library to integrate Rails applications with Capcoauth authentication service

Generates a "ready-to-go" Rails 2.3 application with authentication and other common features

This generators provide you to easily setup your Rails 3 application, create authentication, messages, admin style scaffolding and many more