WP Referral code helps you generate a refer code for each of your users and start your version of referral marketing. this plugin provides a user-friendly copy refer link box so that users can easily copy and share their link.
this plugin’s only dependency is wordpress core you can use it with all plugins out there. the logic after successful referred registeration is up to you though. 2 important hooks will help you with that. check documentation on plugin website for more information.Documentation
several shortcodes are provided to help you get the things where they should be. you can see a list of them on plugin options