In this gem you will find an OmniAuth Goodsie strategy.

This tool will enable you to pull google+ and eventual all of its api

Provides access_token only callback phase

A Google oauth2 strategy for OmniAuth 1.0

A Google oauth2 strategy for OmniAuth 1.0

Gorgias OAuth2 strategy for OmniAuth

Official OmniAuth strategy for GoTo.

Official OmniAuth strategy for GitHub.

A Google+ Sign In OAuth2 strategy for Omniauth

Granicus Admin strategy for OmniAuth

GroupMe OAuth strategy for OmniAuth

Gust OAuth strategy for OmniAuth

OmniAuth strategy for HackCentral, see https://github.com/hackcentral/omniauth-hackcentral for examples and more information.

HackID strategy for OmniAuth

OmniAuth strategies for haobtc

Harvest strategy for OmniAuth

OmniAuth (OAuth 2) strategy for hh.ru

OAuth2 strategy for the Headquarters API, by Group Buddies

Healpay strategy for OmniAuth

An OmniAuth strategy for authenticating with the Heap API.