Cornerstone v3.3.8 is a 100% front-end WordPress page builder that will completely change the way you create pages. Days have been gone of having to click back and forth between a clunky admin panel and your website. Now you can smoothly see all of your best work as you build the page, bringing fun back into the creative process. We only share files under the terms of GPL Licence (GNU General Public License) that provides professional themes, premium plugins & other php scripts for testing purpose only. What is GPL Licence? GPL Licence also known as the GNU General Public License (GNU GPL or GPL) is a widely used for the free software license, which guarantees end users the complete freedom to run, study, freely share and modify the software.