The Big Book of Churn - The definitive guide to customer churn reduction

Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.

INQ.Social - Engage with customers & apply the data to marketing

Carrd - Simple, responsive one-page site creator.

Postmark - Postmark is the easiest and most reliable way to be sure your important transactional emails get to the inbox. Simply & reliably parse recieved email to JSON for your webapp.

Avochato - Text messaging for your business.