heartcombo / devise

Flexible authentication solution for Rails with Warden.

omniauth / omniauth

OmniAuth is a flexible authentication system utilizing Rack middleware.

doorkeeper-gem / doorkeeper

Doorkeeper is an OAuth 2 provider for Ruby on Rails / Grape.

ruby-oauth / oauth2

🔐 oauth2 - A Ruby wrapper for the OAuth 2.0, & 2.1 Authorization Frameworks, including OpenID Connect (OIDC)

jeremyevans / rodauth

Ruby's Most Advanced Authentication Framework

devise-two-factor / devise-two-factor

Barebones two-factor authentication with Devise

ruby-oauth / oauth

🔑 A Ruby wrapper for OAuth 1.0, and 1.0a protocols; clients & servers