i have created many sites with login system, i have a test system that you can preview first and notification sys to notify users by ( Sms, Email, Msg via chat sys ) you can create users or make sign up available for everyone, system is controlled by AngularJS, it has a real time notifications, messages and popups .. let me know if you are interested.
Php, Html5, Css, Css3, Js, Mysql, Laravel, jQuery, Bootstrab,AngularJs, SQL, Dingo Api.