The Affiliates manager plugin can be integrated with the MemberMouse plugin so you can reward affiliates for sending members.
Step 1 (Install the Integration Addon Plugin)
Install the MemberMouse Integration addon.
Step 2 (Keep the Main Plugins Active)
Simply keep the Affiliates Manager and the MemberMouse plugins active on your WordPress site.
The affiliate plugin will track all the referrals and give commission accordingly if a referred user pays for a membership.