Divi & Extra Child Theme
Divi Children plugin
Create child themes of Divi easily with a free plugin! Divi Children is a plugin specifically developed for the users of Divi. Divi Children automatically does the tiresome part of the job for you, so you can just focus on your creativity.
And now with Divi Children 2 your child theme can be customized by means of the WP Customizer while you preview your changes. You can even customize Divi modules separately with special selectors. No coding required.
or just a child-theme
Divi Child Theme Generator (and Extra too!)