
Description: OpenEMM is an open-source enterprise email marketing platform. It allows you to create email campaigns, build subscriber lists, track opens/clicks, and more. It offers drag & drop email builders, A/B testing, segmentation, and automation tools.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Litmus is an email marketing and campaign management platform that helps businesses design, test, and track marketing campaigns. It provides an intuitive drag-and-drop editor to create responsive email templates, A/B testing tools, analytics to optimize campaigns, and integrations with CRM and email providers.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API