Social login from LoginPress is an add-on which provides facility your users to log in and Register via Facebook, Google, and Twitter. This add-on will eliminate the Spam and Bot registrations. This add-on will help your users to hassle-free registrations/logins on your site.
Facebook Chat which allows you to put Facebook page chat on AMP so that visitors can chat with you via your Facebook page inbox.
This is an easy way to offer support, turns visitors into your customers and chat with them anytime, anywhere on your phone.