plugin for affiliate manage

Hello, I’m starting a site where i’m planning to talk about an argument and in the future become a affiliate site, I mean I want to publish banners for companies in an specific sector and get customers for them and earn for each customer that reached a subscription, i’m looking for a plugin to help me manage this system. All the plugins I found makes the opposite, are made it for start an affiliation program, but i’m a affiliate and I want a plugin to manage my part, some suggestion???