Client to microservice proxy authentication

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

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

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

Authenticate users through Google in your app using devise and omniauth

Net::Tofu is a client and certificate pinning library for Geminispace, derived from the 'trust on first use' authentication scheme (https://en.wikipedia.org/wiki/Trust_on_first_use).

Makes it possible to protect selected Sinatra routes with HTTP Basic Authentication

SMS Authentication

Authentication / Authorization library for Watermark apps

Simple prototype for new way of authentication

Ruby WebHDFS/HttpFs client with krb5 authentication

Rails authentication applications.

A gem for Autodesk 2-phase authentication service.

Bluepages Authentication for IBMers within IBM's Intranet

A clean, simple, and unobtrusive ruby authentication solution.

FatSecret Authentication Gem