Multi-Page Web to Lead Form Module is a fully responsive multi-page PHP working multipurpose ajax form with the necessary required field jQuery validation built on PHP, HTML5/CSS3, jQuery and Ajax. The module is easy to install and use
Demo: https://codecanyon.net/item/multipage-web-to-lead-form-module/29242977
source http://www.codelist.cc/scripts/243148-multi-page-web-to-lead-form-module-v103.html