Chargebee - Chargebee lets you manage subscriptions and payments at scale, handle custom recurring billing scenarios, reduce subscription churn and simplify accounting.
InScribe - The go-to software tool for data scientists and developers to create handwritten digits and drawings
Recurly - Subscription billing and recurring billing management. Recurly offers enterprise-class subscription billing for thousands of companies worldwide.
Affinity.me - Discover like-minded people (using machine learning)
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.
Build It With Me - Connecting you with like-minded designers & developers