Chargebee - Chargebee lets you manage subscriptions and payments at scale, handle custom recurring billing scenarios, reduce subscription churn and simplify accounting.
UniPayGateway - Ultimate payment gateway software for merchants, ISOs and PSPs. Full range of payment gateway capabilities. Functionality rich open source payment system.
Recurly - Subscription billing and recurring billing management. Recurly offers enterprise-class subscription billing for thousands of companies worldwide.
Appdirect - AppDirect is a cloud service marketplace and management platform.
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.
Tap2Pay - Tap2Pay is the platform for accepting online payments in all online channels: a website, social media (Facebook, Instagram, Youtube), messengers (Facebook, Telegram, Viber). It provides smooth and secure, omnichannel buying.