Cornerstone
Cornerstone features
Cornerstone is a 100% front-end WordPress page builder that will change the way you create pages. Gone are the days of having to click back and forth between a clunky admin panel and your site. Now you can see all of your work as you build the page, bringing fun back into the creative process.
Cornerstone 7.4.18 changelog
Bugfix: Google Maps markers that were invalid would crash the map