
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: LetterPop is an easy-to-use newsletter creator that helps small businesses, bloggers, and creators build professional email newsletters without coding. It has a simple drag-and-drop editor with hundreds of professionally designed templates to choose from.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API