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. ...

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...

Run your own Authentication provider!

Rack Middleware transposing the authenticated identifier for Soar SC

Merb Slice that provides user authentication

API wrapper for AuthAnvil Two Factor Authentication

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

The AuthLane Sinatra Extension allows simple User authentication with support for different User roles. It comes with Sinatra helpers for easy integration into routes.

An incredibly bare bones authentication library

Extension to authlogic-connect for Mail.ru authentication support

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,...

Automate basic authentication for your coding challenges

Client authentication for Authentic Apps

Monban - The authentication plugin for web api based on jwt

This is a simple gem to allow authentication against a RADIUS server.

This gem can manage user authentication on multiple LDAP directories that can reside either on same server or not.

Executes AWS Signature Version 4 Signing Process as explained at http://docs.aws.amazon.com/general/latest/gr/sigv4_signing.html. It calculates the signature token and provides HTTP headers with authentication data.

omniauth-azure-ad uses 'Peerialism authentication HUB' web site that manages token exchanges with the Azure ACS, encryption etc.

rack-auth-gitlabapi : provide GitLab API authentication for Rack middleware

Basic authentication library for Rack applications.