
Description: Mailjet is an all-in-one email service provider that offers email delivery, email marketing automation, and transactional email features. It allows sending emails at scale while ensuring deliverability through dedicated IP addresses and analytics.
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