Simple HTTP proxy which adds Conjur authentication headers

Rack authentication middleware

Simple Google authentication.

Central Authentication Service for Reviewed.com

Users and Authentications service

Ruby PAM (Pluggable Authentication Modules) integration

Plugin that adds token authentication methods to Roda

Ruby Role-Based Authentication

Rubius provides a simple interface to RADIUS authentication

Simple RSS parser that supports feeds with HTTP Basic Authentication

Ruby library for the TeleAuth authentication system. Requires a TeleAuth API key.

A simple authentication via LDAP

Authentication generator for new Thincloud apps.

Provides an authentication solution for ruby applications being used at the Vienna University of Technology

simple twitter authentication wrapper

Simple, transparent, and powerful middleware authentication.

Super simple authentication system for Rails, using username, email and password.

User management and authentication for your Ruby app.

A warden strategy for easy OAuth2 rack based authentication

Authentication / Authorization library for Watermark apps