The Blockstack ruby library for identity and authentication

Tachiban provides simple password hashing for user authentication with Argon2 for Hanami web applications.

Ruby implementation of the BitID authentication protocol

Enables basic authentication support for share and upload operations to Artifactory when it serves as a Supermarket.

AnyCable Rails helpers for JWT-based authentication

A Ruby client for Bing Ads API that includes a proxy to all Bing Ads API web services and abstracts low level details of authentication with OAuth2.

A comprehensive Rails 8 application generator that sets up a modern stack including Tailwind CSS, DaisyUI, Kamal deployment, monitoring, authentication, S3 backups,and more.

The rkerberos library is an interface for the Kerberos 5 network authentication protocol. It wraps the Kerberos C API.

[Unofficial] Authentication Strategy for Warden to allow Amazon Cognito user sign in and JWT

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.

Use phpbb for authentication in your rails app

Generators to add in different forms of user authentication to a rails application.

Ember-auth is an authentication framework for ember.js. It is expected to work out of the box with rails + devise.

A Ruby on Rails engine for authentication with Dailycred.

An object-oriented Ruby implementation of the Sender Policy Framework (SPF) e-mail sender authentication system, fully compliant with RFC 4408.

MYOB authentication strategy for OmniAuth

Ghoul is a simple yet good looking interface for your git repositories written in sinatra. It is currently only for demonstration purposes and use on your secure local machine as it does not enforce any authentication as of yet.

The Sword2Ruby gem provides Sword client functionality when run against a Sword 2.0 compliant server. It eases integration of Ruby applications with Sword servers, taking care of things like authentication, deposit-receipts and the parsing of Sword tags. It was developed as part of the JIS...

Rack middleware that handles user authentication against a cas server

Mozilla BrowserID/Persona authentication module that works with Rails 3.1+ and Devise 2.1+