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

Around.io - Social media marketing automation for e-commerce merchants

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

RiteKit Hashtag Suggestions API - Get hashtags generated for any block of text.

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.

Flyte - White label reputation management, review generation and local marketing for agencies and resellers. We make managing local marketing easy.