You can now buy Divi child themes, layouts, and plugins in the official Divi marketplace run by Elegant Themes.
A Divi Theme website example for Natalies Box which is a full service web design company specializing in Brand Identity for small businesses.
This website uses the following Divi Theme plugins;
Contact Form 7
Custom Contact Forms
Ultimate Social Media Plus
Woocommerce Menu Bar Cart
Forget About Shortcode Buttons