Apps with 'Twitter Login' feature

You can connect any application (written in any language or on any stack) to Auth0 and define its Connection, the method used to authenticate the users of that application:

FusionAuth is an auth for any app. Get everything you need for secure registration and user management in minutes. Single-tenant, on-prem or private cloud, custom emails with localization, social login, and more.

Apptha Social Login is a Magento extension that allows eCommerce store customers to login via social network accounts like Facebook, Twitter, Google and Yahoo. There is also a default registration page and login page of the magento e-store.