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

Odoo Point of Sale - Odoo is an online point of sale solution for retail and restaurants.

Recurly - Subscription billing and recurring billing management. Recurly offers enterprise-class subscription billing for thousands of companies worldwide.

Lightspeed - retail and restaurant point-of-sale, ecommerce, and omnichannel solution

Zuora - Zuora creates cloud-based software on a subscription basis that enables any company in any industry to successfully launch, manage, and transform into a subscription business.

Fat Zebra - Online Payments Made Simple