We don’t recommend using any page builder with Gwangi because none of them has been made compatible with it, although we believe any page builder would still probably work.
Instead of using a page builder plugin, Gwangi has been built to use widgets to make what we call “widgetized pages”. That will allow you to build beautiful pages with different sections to showcase your key content. Here is an article of our documentation explaining the process of creating widgetized pages:
You're trying to setup your theme but you're experiencing errors when importing the demo content? Or you've just followed the setup guide but your website doesn't look exactly like our demo? These are common issues for which you can find easy and quick fixes.