A Devise extension to use passkeys instead of passwords for authentication, using warden-webauthn

A library for generating signed authentication tokens for use with Firebase. Uses your app secret.

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

minimalistic authentication

simple FreshBooks API wrapper. supports both OAuth and API token authentication

Rack middleware that provides authentication based on JSON Web Tokens.

Authentication plugin for the Trestle admin framework

An easy drop in solution for rails to use GitHub authentication.

A gem providing Rails with authentication, Facebook Connect, MadMimi, and DelayedJob support

Implement basecamp style subdomain authentication with support for multiple users under a single subdomain scoped account.

Your friendly, cigar smoking authentication dicator... From Space!

OmniAuth support for multiple providers of an authentication strategy

Parse Server Ruby Client. Perform Object-relational mapping between Parse Server and Ruby classes, with authentication, cloud code webhooks, push notifications and more built in.

Support authentication via OAuth2 tokens dispensed from the Doorkeeper authorization flow

A protobuf-inspired minimalistic serialization format with cryptographic authentication

OTP (email, SMS) JWT authentication for HTTP APIs.

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

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

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

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