
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: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Mailosaur is an email testing and automation platform for developers. It allows you to easily catch, view, and test emails from your web app by providing an email address to your app. Mailosaur makes it easy to test email sending, monitor email contents, extract data from emails, and automate email workflows for testing.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API