OmniAuth for 23andMe.

A ADP OpenID/OAuth2 strategy for OmniAuth 1.x

Amazon Selling Partner API strategy

Azure AD B2C Strategy for OmniAuth.

A ruby gem for using omniauth to authenticate Azure Active Directory users

OmniAuth strategy for Box

OmniAuth Strategy for Braintree Auth, allows easy integration with the Braintree Auth API through Omniauth

OmniAuth strategy for Coursera.

OmniAuth strategy for authenticating with Cronofy

Deezer strategy for Omniauth 1.0

Simple gem to enable rack powered Ruby apps to authenticate via REST with an enterprise CAS authentication server via X509 client certificates.

A generic strategy for OmniAuth to authenticate against Discourse forum's SSO.

OmniAuth strategy for Dribbble.

OmniAuth strategy for Dwolla.

OmniAuth strategy for new eBay OAuth API

Authentication Strategy for OmniAuth to authenticate a user with an Ethereum account

OmniAuth strategy for Etsy

Unoficial OmniAuth strategy for Freee.

Official OmniAuth strategies for GeekPark.

A Google using access-token strategy for OmniAuth. Can be used for client side Google login.