OmniAuth strategy for Freckle (https://letsfreckle.com).

A Google+ OAuth2 solution for Omniauth

A Google+ Sign In OAuth2 strategy for Omniauth

HackID strategy for OmniAuth

OmniAuth strategy for HipChat

Irm Health OAuth2 Strategy for OmniAuth

An OmniAuth strategy for join.me

Launch Academy's single sign on client

Microsoft Office365 v2.0 OmniAuth OAuth2 Provider. Create an account and generate client_id and client_secret.

A simple hello world gem

OmniAuth strategy for nate.com (Korean web portal site which is a conglomerate of Nate, Cyworld and Empas)

OmniAuth strategy for Netlify (https://netlify.com).

OAuth.io Strategy for OmniAuth

OpenID Connect Strategy for OmniAuth.

OpenID Connect Strategy MK2 for OmniAuth which is fully compliant with devise and rails and currently maintained. Derived from jjbohn's work which is not actively maintained

OpenID Connect Strategy for OmniAuth.

PixelPin OpenID Connect Strategy for OmniAuth

Enthusiastick's single sign on client.

OmniAuth strategy for ProductHunt (https://producthunt.com).

Reddit strategy for OmniAuth