
Description: turboSMTP is an email delivery platform designed for sending high volumes of email easily and reliably. It features drag and drop creation of email campaigns, detailed analytics and insights, inbox testing tools, advanced deliverability features, and integrates with popular email services.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: outMail is an open-source email client focused on security, privacy and control. It supports PGP encryption, has a clean and intuitive interface, and gives users fine-grained control over all aspects of email.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API