Cookie-based JWT authentication for devise with configurable token revocation strategies

Eliminate customer phishing / hijacking and increase user satisfaction with password-less authentication.

Plugin adds authentication methods to Sequel models using BCrypt library.

Meetup.com authentication handler for OmniAuth

A ruby wrapper for version 3 of the bit.ly API Supports OAuth authentication

Authlogic extension/plugin that provides RPX (rpxnow.com) authentication support

Authem provides a simple solution for email-based authentication

Extends Net::SSH by adding Kerberos authentication capability for password-less logins on multiple platforms.

🛡️ warden_oauth will help you create oauth authentication strategies using the oauth helper method on the Warden::Manager config setup

Ruby SDK for the Machine Payments Protocol (MPP) — an HTTP 402 Payment Authentication scheme.

Authlogic extension/plugin that provides RPX (rpxnow.com) authentication support

dm-devise adds MongoMapper support to devise (http://github.com/plataformatec/devise) for authentication support for Rails

Provides a set of valuable features for Registration, Authentication, Management and Internationalization.

Implements the Akamai {OPEN} EdgeGrid Authentication specified by https://developer.akamai.com/introduction/Client_Auth.html

Quickbooks authentication strategy for OmniAuth

A protobuf-inspired minimalistic serialization format with cryptographic authentication

Authenticate with GitHub

Time Based OTP/rfc6238 authentication for Devise

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

A drop-in Rails engine that adds secure user registration with email confirmation to your rails 8+ application, that uses Rails Authentication Generator.