Restrict Content Pro is a premium WordPress membership plugin designed to help users create and manage subscription-based websites. It allows website owners to restrict access to specific content based on membership levels. Features include customizable subscription plans, easy member management, content protection, and seamless integration with popular payment gateways. Restrict Content Pro also supports features like discount codes, reporting, and email notifications. While it is available in both free and premium versions, the premium version unlocks advanced features like integration with email marketing services and more detailed reporting. Some third-party platforms offer Restrict Content Pro under the GPL (General Public License), but these versions typically do not include official support or updates.