Rest client for services using CAS authentication.

Simple way to customize devise authentication logic and still be inline with all other devise parts

Add AWS Signature 4 style authentication to grape API's.

A ruby gem for using ldap to authenticate greenlight users

A minimal dependency library for interacting with a Cerner OAuth 1.0a Access Token Service for invoking Cerner OAuth 1.0a protected services or implementing Cerner OAuth 1.0a authentication.

fmrest-core is a FileMaker Data API client built with Faraday. It handles authentication as well as providing many utilities for working with the Data API. An ORM library built on top of fmrest-core is also available.

AnyCable Rails helpers for JWT-based authentication

Add secure, production-ready API key authentication to your Rails app in minutes. Handles key generation, hashing, expiration, revocation, per-key scopes; plus a drop-in dashboard for your users to self-issue and manage their own API keys.

This extension provides PAM - Pluggable Authentication Modules - integration

A full featured wrapper for interacting with the base Google Data API, including authentication and basic object handling

Authentication Strategy for OmniAuth to authenticate a user with an Ethereum account

Use phpbb for authentication in your rails app

Firebase Authentication uses ID Token. This gem verify the token on the server side.

Provides a set of generators that will extend your Rails 8+ application's authentication to enable Passkey usage as first or second factor.

Multifactor authentication for Rails.

Time Based OTP/rfc6238 authentication for Devise

An Authentication framework for Merb

MediaWiki::Butt provides a fully-featured interface to the MediaWiki API. It includes methods for changing wiki content, authentication, and queries.

This is a basic Rails engine utilizing Authlogic, CanCan and Easy Roles to create a starting point for simple Rails-based applications that need authentication and authorization.

Opinionated minimal Rails authentication scaffolding with Hotwire, React, or Vue + Tailwind.