
Description: Sendy is an email marketing software built for marketers to send newsletters, automated emails and build email lists. It's self-hosted, affordable and easy to set up for small businesses to manage email campaigns.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

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: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API