Affiliate tracking software

Hi all,

I’d like to look into some affiliate tracking software, in PHP and preferably open source. I thought I’d ask you guys before I head out to the web.

Basically, we want to be able to place a link on other related sites, along with our article/content, and if a user clicks on our register link and registers at our site, the publisher earns money.

Any help is appreciated.

Many thanks

you must go and look hasoffer site, they have exactly what you are looking for.
i used them they have excellent tracking softwares and fraud detection etc

Do you know if they can track registrations and not necessarily a purchase (like from a store)?