Official OmniAuth strategy for BigCommerce.

OmniAuth Strategy for Constant Contact using OAuth2

Dropbox OAuth2 strategy for OmniAuth 1.x

Etsy OAuth2 strategy for OmniAuth 1.0

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

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

OmniAuth strategy for Lightspeed.

OmniAuth OAuth2 strategy for Okta

OmniAuth strategies for TQQ and QQ Connect).

OmniAuth strategy for QQ Connect.

Twitch OAuth2 Strategy for OmniAuth

X (formerly known as Twitter) OAuth2 strategy for OmniAuth.'2' means OAuth 2.0, not successor of omniauth-twitter gem.

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

Wrike strategy for Omniauth.

OmniAuth strategy for Yandex.ru

OmniAuth strategy for 37signals.

Use the Amazon Cognito IdP with OmniAuth

OmniAuth strategy for Coinbase

Official OmniAuth strategy for Digitalocean

OmniAuth OAuth2 strategy for Douban.