Client to microservice proxy authentication

Rack middleware for authentication using CAS and/or token

Rack middleware for authentication using JSON Web Tokens using the jwt_claims and json_web_token gems.

A modular implementation of Rack Auth

rack-auth-ldap : provide LDAP authentication for Rack middelware

JWT-based token authentication middleware for Rack.

A warden/sinatra mini-app providing authentication and user management for any rack-based framework.

a Rack module for testing NTLM Authentication in an HTTP client

OAuth Echo authentication by a rack middleware

Rack Middleware for OAuth Authorization and Authentication via/twitter

SimpleAuth HMAC authentication

Rack webmoney authentication

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