External Integrations. Supports the following external integrations.

Google reCAPTCHA. reCAPTCHA is a CAPTCHA-like system designed to establish that a computer user is human and, at the same time, assist in the digitization of books.

Google Oauth.Google APIs use the OAuth 2.0 protocol for authentication and authorization.

GitHub Oauth. Learn how to register and set up permissions and authorization options for OAuth Apps.

Google Analytics,Google Analytics is a freemium web analytics service offered by Google that tracks and reports website traffic.