Sale Page: http://affiliatewp.com/
Product Price: $199
Reliable Affiliate Tracking
AffiliateWP tracks affiliate referrals reliably, even on servers with aggressive caching.
Just install and activate and you’ve got your very own affiliate network within minutes.
Have an unlimited number of affiliates actively promoting your products and services.
Affiliates’ registrations can be moderated or fully open, you can even create accounts manually.