Perform 2-factor authentication using duosecurity.com

Use session objects for token authentication

Devise extension to allow authentication via Stormpath

PKCS #12 authentication for Devise.

A comprehensive Ruby gem for integrating with Airwallex's global payment infrastructure, including payment acceptance, payouts, foreign exchange (FX rates, quotes, conversions), and multi-currency balance management. Features automatic authentication, idempotency guarantees, webhook verification,...

Ruby OpenID Test Server (ROTS) provides a basic OpenID server made in top of the Rack gem. With this small server, you can make dummy OpenID request for testing purposes, the success of the response will depend on a parameter given on the URL of the authentication request.

Authentication solution for Rails APIs.

Time Based OTP/rfc6238 compatible authentication for Devise with Devise 4.2 and Rails 5 compatibility. Drop-in replacement for devise-otp.

Devise PostgreSQL authentication module

A Ruby middleware implementation for the L402 protocol, leveraging macaroons and the Lightning Network for secure authentication and payments.

Devise extension to allow authentication to multiple LDAP servers, or with multiple configurations to the same LDAP server. Fork of the devise_ldap_authenticatable project.

add OAuth2 authentication to rails3 application

Extension to devise to allow authentication with Archangel

Groovestack::Auth is an authentication extension for the Groovestack Platform.

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

Simple admin function for Rails authentication.

Simple JWT based authentication

Simple HTTP proxy which adds Conjur authentication headers

The PromptJoy ruby gem provides a simple and efficient way to interact with the PromptJoy API in Ruby. It handles the API authentication, request formation, and response parsing, providing the users with an intuitive interface to make API calls and retrieve the data.

ClaimToken encrypts and signs tokens to be used in a claim-based authentication system