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

Pudding.ai - Real-time ad creative analysis solution that helps marketers to easily understand ad creative performance with actionable insights.

Chargify - Chargify is the best online billing software for all of your Recurring Billing needs. Learn more about simplifying your Subscription Billing today.

AdWhistle - AdWhistle is a web-based platform that provides you the features and tools to create a campaign strategy and run the ads successfully on various social media platforms.

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

Facebook Ad Library - Find out who is paying for ads with Facebooks new tool