PayKickstart - PayKickstart is the ultimate shopping cart and affiliate management platform, empowering online Entrepreneurs and digital publishers with the tools to sell their products online.
AffiliateWP - A powerful affiliate marketing solution for WordPress.
Selz - Seriously Simple Selling
ReferralMagic - Turn your users and customers into referral magnets.
Shopio - Shopio is an all-in-one hosted shopping cart solution.
Echo - Golang HTTP server framework