You can now buy Divi child themes, layouts, and plugins in the official Divi marketplace run by Elegant Themes.
WordPress course website
WP Academy is an online learning resource for Wordpress users and offers various courses to learn how to use Wordpress.
"When it comes to building a WordPress website for the first time, many people are so overwhelmed by confusing tutorial videos that are unhelpful and outdated, that they don’t know where to start. WPacademy helps creativeprenuers understand how to build their website so they can spend more time growing their creative business and attracting a larger audience."
This Divi Theme website uses the following Wordpress plugins;
Contact form 7
Anything slider - Div