OAuth2 Strategy for Facebook Long-Lived User Access Tokens

DrChrono OAuth2 strategy for OmniAuth.

Alipay OAuth2 Strategy for OmniAuth

Bridging OAuth and Typhoeus

OAuth magic for Rails

A really simple Twitter OAuth library.

Authorization auth header string maker helps you to generate OAuth Authorization with by passing params

EasyAuth-Oauth

A Classiclaw OAuth2 strategy for OmniAuth 1.x. This allows you to login to Classiclaw with your ruby app.

Provides Rakuten Linkshare OAuth2 API's for Coupons, Link Locator, Products Search, Advanced Reports, Advertiser search, and Events.

A Twitch oauth2 strategy for OmniAuth 1.0.

Library for interfacing with Google Apps Domain and Application APIs via OAuth2

Intuit strategy for OmniAuth Oauth2.

Dexcom OAuth2 strategy for OmniAuth.

Login with Amazon OAuth2 strategy for OmniAuth 2.0

An OAuth library to interact with Twitter API v1.1, by simply calling methods on instances.

Uses existing oauth services to authenticate

Drop this in your app, and client apps can easily use omniauth with oauth2 to use it as a source for authentication

Add facebook as a grant_type to the authentication done through devise_oauth2_providable

OmniAuth Strategy for Spotify via OAuth2