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.

HonorCare - HonorCare is a web portal that makes it easy for you to make online medical payments in an accessible and authentic way.

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

Payvoice - Seamless Stripe Integration

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

JustOn - JustOn offers electronic billing and invoicing solutions.