
Description: Gmail is a free email service provided by Google. It offers great spam filtering, 15GB of storage, support for email labeling, automatic sorting, integrated chat, and robust search capabilities.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Mailcheap is an email marketing service that allows businesses to create and send email newsletters and automated messages. It has drag-and-drop email builders, templates, and analytics.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API