The three above examples are “referral” programs. That means you become a user of the platform yourself and they add more money to your account as you refer your friends. (Look for the refer-a-friend link on your dashboard.) These can often be more lucrative than their affiliate program counterparts and they are offered by so many companies these days.
MaxBounty pride themselves on the diversity of campaigns offered to their affiliates. They have over 1,500 programs ranging from gaming, to finance, and dieting, with options to receive your commissions as CPA (cost per action like making a sale), CPL (cost per lead), mobile, or PPC (pay per call.) Allowing you to structure your promotions in a way that works best for you.