
Description: AtMail Open is an open source email server software designed for high delivery performance, security, and reliability. It is based on open standards and is a scalable on-prem email platform for SMBs.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: CloudEmail is an email marketing software that allows users to create, send, and track email campaigns. It has drag-and-drop email builders, A/B testing, automation workflows, and advanced analytics.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API