WordPress Affiliate & Referral Plugin v3.1.0 Free Download
WordPress Affiliate & Referral is a very useful plugin that extends your WordPress website with a very effective affiliate / referral system. Starting with v3.0.0 the plugin offers the option to pay affiliates via PayPal Pass Payment system.
v3.1.0 (June 17, 2015)
[NEW] When someone registers, the affiliate gets a notification email.