
Description: testmail.app is a simple, easy-to-use email testing application for macOS. It allows you to send and receive test emails without connecting to an email server.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Debug Mail is an email testing and debugging tool that allows developers to locally test and debug email workflows without actually sending emails. It provides a mock SMTP server to catch email sent from an application.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API