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.

ASAAS - ASaaS develops software to automate the control of subscriptions, billing, recurring payments, and digital signage.

Shopio - Shopio is an all-in-one hosted shopping cart solution.

Chargebee - Chargebee lets you manage subscriptions and payments at scale, handle custom recurring billing scenarios, reduce subscription churn and simplify accounting.

Selz - Seriously Simple Selling

GoSpaces - Sell subscriptions services, digital downloads and physical goods with no hassle. It's free to use!