Mobile User Acquisition Guide VS Aboardly

Brickbox - Customer acquisition tools for indie makers

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

Tiny Acquisitions - Tiny acquisitions is the only marketplace for internet business that are priced under $5,000.

Customer.io - We make it easy to send emails triggered by user behavior. Build, measure and improve your emails to activate and retain users

Smartlook - Qualitative analytics for websites and mobile apps Start understanding the 'whys' of your users' behaviors with clear, visual insights. With session recordings and event tracking, you get the complete picture.

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.