The #1 choice of Fortune 500 companies, major universities, training organizations, and entrepreneurs worldwide for creating (and selling) their online courses.
Demo: https://learndash.com
LearnDash LMS will work with the Divi theme, but not seamlessly. This can be improved by using Divi LearnDash Kit from Divi Booster.
Demo: https://divibooster.com/divi-learndash-kit/