Creating a community requires integration with a third-party app such as Discord or Circle. Memberful only manages the payments and subscriptions:

Start a private community with Memberful

Memberful is heavily integrated with WordPress, making it a solid option if you already have a WP site:

WordPress membership plugin by Memberful

To sell courses with Memberful, you’ll need to use a third-party plugin like LearnDash:

Integrate with LearnDash