MailChimp - MailChimp is the best way to design, send, and share email newsletters.

ChurnBuster - Stop Losing Money toFailed Payments in Stripe. Churn Buster saves you thousands of dollars every month by ensuring your customers update their payment information.

Amazon SES - Scale your business email & marketing messages with Amazon Simple Email Service (SES), a cost-effective and reliable cloud email service. Sign up today.

ClearBrain - Predict which users will upgrade or churn tomorrow.

Constant Contact - Constant Contact offers email marketing, social media marketing, online survey, event marketing, digital storefronts, and local deals tools.

ChurnTarget - ChurnTarget helps you reduce your SaaS churn by targeting customers that will soon churn. Using intelligent churn prediction, we will alert you on the customers that are at risk of churning, so you can reach out to them and prevent them from leaving.