Simple gem that allows you to automatically spec your controllers authentication checks.

API wrapper for AuthAnvil Two Factor Authentication

Merb Slice that provides user authentication

Rack Middleware transposing the authenticated identifier for Soar SC

Run your own Authentication provider!

Authist is a Ruby on Rails plugin that provides a simple way to add role-based authorization to your application. It can easily be plugged into any user or group models in your application, and allows you to define a set of access types that roles can provide. Roles and users' participation in th...

A rails authentication and authorization engine that reduces clutter in your controllers and views. Includes aliased link_to and button_to helpers that return an empty string if the current user is not permitted to follow the link. ...

The gem will handle adding API tokens to your user account, and handle the authentication of incoming requests.

An authentication bootstrapper for your Rails application.

Simple authentication for Rails

A flexible authentication and authorization framework for Rack applications.

The email equivalent of has_secure_password for ActiveRecord.

A Ruby gem that provides OAuth 2.0 authentication and API client functionality for TradeStation's trading platform. Supports both production and sandbox environments.

Ruby/NTLM HTTP provides NTLM authentication over http.

CLI tool to obtain certificates via ACME and update the matching TLSA records. The primary authentication method is http-01 via webroot for now, but dns-01 is supported too.

Action Interceptor provides methods to store return url's across multiple requests. Useful during authentication, registration, signing terms of use, etc.

HTTP dialog for the Acenda API with the oAuth2 authentication.

Non-password Authentication with Facebook Account Kit for Rails app

A mailing list module to work with tkh_authentication gem

The SDK allows framework independent two-factor authentication for your web application. Client handles both token generation and validation.