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

Token based authentication for Rails JSON APIs. Designed to work with jToker and ng-token-auth.

GitHub Classroom automates repository creation and access control, making it easy for teachers to distribute starter code and collect assignments on GitHub.

A simple way to use GitHub OAuth to serve a protected Jekyll site to your GitHub organization

OAuth 2.0 Server & Client Library. Both Bearer and MAC token type are supported.

This service is being discontinued in favor of indielogin.com

OpenID Connect extension for Doorkeeper

Use GitHub as authorization and more. Use organizations and teams as means of authorization by simply wrapping your rails routes in a block. Also useful to get a user's details through OAuth.

Connect Ruby applications with the Bigcommerce Platform

Ruby and Trello: the simplest fully-featured Ruby gem for the Trello API

Interact with the Patreon API via OAuth

OmniAuth strategy for Mastodon

DigitalOcean OAuth2 Strategy for OmniAuth

A simple Oauth App to automatically add users to an organization

Pure OmniAuth login with a popup window

OmniAuth Strategy for eBay Apps (for using with eBay REST APIs)

HTTP Token Access Authentication in Ruby

An OmniAuth strategy for authenticating with WorkOS.

Mos.ru OAuth & api provider library for Ruby