
Description: Customer.io is a marketing automation and campaign management platform designed for sending targeted email, push, and SMS campaigns to customers and prospects. It features segmentation tools, A/B testing, and analytics to optimize marketing performance.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Retainly is a customer retention and recovery software that helps ecommerce businesses reduce churn and win back lost customers. It sends automated win-back campaigns via email and SMS to re-engage customers.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API