ClassyCAS provides private, centralized, cross-domain, platform-agnostic centralized authentication than can hook in with modern Ruby authentication systems.

Generates Rails code implementing a model security and authentication system for your Rails app.

rack middleware providing session based authentication

This module provides common interface to HMAC functionality. HMAC is a kind of "Message Authentication Code" (MAC) algorithm whose standard is documented in RFC2104. Namely, a MAC provides a way to check the integrity of information transmitted over or stored in an unreliable medium, based on a s...

Create a new instance of YtDataApi::YtDataApiClient passing user credentials (username, password) and YouTube developer key to access YouTube Data API using ClientLogin authentication.

A Merb plugin that is essentially a port of Rick Olsons restful_authentication plugin for rails

Merb Slice adds quick DB'less OpenID authentication to your app

Basic authentication plugin for Lokka.

Loginza - an interactive JavaScript widget provides visitors to your sites, a wide range of options for authentication through the accounts of common WEB-portals and services

An authentication system with multiple strategies for the Cinch IRC framework. It's just an hotfix.

omniauth provider for Microsoft V2 Authentication

Locomotive plugin for adding basic authentication to pages of a site

Manages collecting of facebook authentication and provides helpers. It uses koala and is built for Rails 3.