
Description: Listmonk is an open-source newsletter and mailing list manager. It allows you to easily create, send, and manage email newsletters and mailing lists. Key features include subscriber management, email templates, A/B testing, analytics, and integration with services like Mailchimp.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Sendingator is an email marketing and automation platform that allows users to create, send, and track marketing campaigns. It has a drag-and-drop email builder, A/B testing, automation workflows, and analytics.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API