Affiliate Plus lets your registered users get credit for new users they recruit by sending people to any url on your wordpress site with ?affid=username appended to the end. This will set a cookie on the visitors computer, which tracks who they have been referred by.
You can select who gets the credit for the referral: the first affiliate who send the user to your site or the last (cookie is overridden with new affiliate ID) You can also specify for how long the cookie is valid.
Members can be redirected to any page you want when logging in (admin users will not be redirected)
You can see who has been referred by whom and how many new members have been referred by each user on the user list.
The current release is version 1.3.1 and can be downloaded here: 
(last update 01-01-1970)
If you want to be informed when new versions are released, please sign up for my newsletter by filling in your name and email address in the form on the right.
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WWhere are the instructions on how to use this?
Jon, look for the settings on your wordpress dashboard under settings/affiliate plus
and on your user profile page
Hello,
I am very happy to find Affiliate Plus and I have installed it. But I have got confused.
I tried many affiliate programs. They give me a piece of code to paste on my webpages. So when visitors click on the image/text link, I get credited.
But In Affiliate Plus, I don’t understand about it. Really, I want to know how the user refer to my pages and get referred. Please tell me clearly.
Hi Nico
Just installed your plugin Affilliate Plus, but I fail to see where and how many points are added.
Would be very usefull if someone wants to convert points into cash.
Then Admin should after payment be able to Reset points.
Hi Kim, look on the userprofile pages for the affiliate stats. A resetable counter is a good idea, I will look into incorporating it in a future release!
I am very pleased with this application, whether applicable or no dispersion for enggine jomla? because I have several websites