OmniAuth is a flexible authentication system utilizing Rack middleware.
Token based authentication for Rails JSON APIs. Designed to work with jToker and ng-token-auth.
An abstract OAuth2 strategy for OmniAuth.
A simple login and password strategy for OmniAuth.
Vkontakte OAuth2 Strategy for OmniAuth
Get to API building quickly
OmniAuth strategy for authenticating with Twitter OAuth2
Devise Multiple Omniauth Providers
DigitalOcean OAuth2 Strategy for OmniAuth