LearnDash LMS Restrict Content Pro Addon GPL Overview:

Restrict Content Pro is a premium WordPress membership plugin designed for creating memberships and protecting your site content for paying members.

With this integration, you can create membership levels in Restrict Content Pro and then associate the membership levels to LearnDash courses. Customers are auto-enrolled into courses after signing up for membership.

Note: LearnDash has built-in content protection for your course content. The Restrict Content Pro plugin is not required in order to sell and protect your course content. It is completely optional.

Add-On Features

Associate membership levels to one or more courses
Create a membership level and map it to one, or multiple, LearnDash courses. When the membership level is purchased, the user is auto-enrolled into the associated courses.

Automatic removal upon membership cancellation
When a user cancels their membership then the integration will automatically unenroll them from their courses as well.

Create trial membership levels with various payment gateways
Offer a limited-time free trial to people to entice them to purchase full access to your courses. Sell your course using Stripe, PayPal, or even a shopping cart (such as WooCommerce).