
Description: Mailmust is an open-source email tracking application that allows you to see when recipients open your emails and click on links. It is designed for privacy and can be self-hosted.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Mailchimp is an email marketing platform that allows users to design email campaigns, automate marketing workflows, and track performance. It offers easy-to-use templates, integration with major CRM and ecommerce platforms, and analytics to optimize campaigns.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API