Login with Amazon OAuth2 strategy for OmniAuth 1.0

OmniAuth strategy for Kakao(http://developers.kakao.com/)

PayPal Identity strategy for OmniAuth

OmniAuth strategy for Spotify

Wrike strategy for Omniauth.

Official OmniAuth strategy for Yahoo! JAPAN.

Official OmniAuth strategy for BigCommerce.

Omniauth Strategy for Battle.net OAuth Login. For more info visit https://dev.battle.net

Dropbox OAuth2 strategy for OmniAuth 1.x

OmniAuth strategy for Heroku, for apps already using OmniAuth that authenticate against more than one service (eg: Heroku and GitHub), or apps that have specific needs on session management.

OmniAuth strategies for TQQ and QQ Connect).

Windows Live, Hotmail, SkyDrive, Windows Live Messenger, and other services... strategy for OmniAuth

Client for GDS' OAuth 2-based SSO

OmniAuth strategy for Coinbase

Foursquare OAuth strategy for OmniAuth

MailChimp OAuth2 strategy for OmniAuth 2.0

OmniAuth strategy for Odnoklassniki.ru

OmniAuth OAuth2 strategy for Okta

OmniAuth strategy for Pinterest.

OmniAuth strategy for QQ Connect.