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

Bunnyshell - Everything already automated, from code to production: create servers, provision & configure, deploy.

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

Dealflow by Micro Acquisitions - Automate your small business acquisition pipeline

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.

The DevOps 2.0 Toolkit - Automating the continuous deployment pipeline