OAuth 2 authentication with the Entra ID API using an On Behalf Of JWT token.

An unofficial OmniAuth strategy for Bokun, allowing authentication via Bokun's OAuth2 API.

Extends Devise with an authentication strategy against Facebook's Open Graph and it's JavaScrip SDK

The DceLti engine simplifies integrating LTI authentication for Rails apps via the IMS::LTI gem.

JAuth is a Ruby gem for handling user authentication in Ruby applications.

TagAuth integrates tag-based authentication into Rails applications using Devise.

Simple Rails integration for authentication through Amazon Cognito IdP (User Pools)

Securial is a mountable Rails engine that provides robust, extensible authentication and access control for Rails applications. It supports JWT, API tokens, session-based auth, and is designed for easy integration with modern web and mobile apps.

Authentication for TINYoctopus, include access_token management

Rails authentication by email and password with integrated dependencies to MadMimi. Also provides administrative user impersonation. Based on BlueLightSpecial

A portable, pluggable authentication and authorization service.

This gem builds the AWS authentication signature as described in http://docs.aws.amazon.com/AmazonS3/latest/dev/RESTAuthentication.html. It requires the Amazon keys, as well as options about the request (request type, resource, etc).

Simple authentication library for login via email

Provides a simple interface for using Okta authentication in command line applications

Library for create basic SSO Server based on OAUTH authentication for simplify deployment.

EmpireAvenue.com authentication handler for OmniAuth

CAS Authentication via Rack Middleware

capcoauth-gem is a library to integrate Rails applications with Capcoauth authentication service

This gem simplifies API authentication, requests, and responses, allowing for effortless access to Kit data and resources.

Low level Rack authentication enforcement