
Description: Flowmailer is an email marketing software that helps businesses create, send, and track email campaigns. It has easy-to-use drag and drop builders, A/B testing, segmentation, templates, and analytics.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Mailgun is an email service built for developers. It provides a powerful API that allows sending, receiving, and tracking emails easily from within an application. Key features are flexible APIs, scalable infrastructure, and deliverability optimization.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API