
Description: Dada Mail is an open source email marketing application that allows you to easily create and send email newsletters, notifications, and automated messages. It has simple subscription management, template customization, and analytics tracking built in.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Listeron is a free, open-source alternative to Smartsheet for creating interactive lists and task boards. It allows real-time collaboration and has features like board views, card sorting, comments, reminders, attachments, and integrations with other apps.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API