
Description: Marple is a free, open-source Markdown slide deck presenter. It provides a minimalistic, distraction-free interface to focus on content creation. Marple enables creating presentations in Markdown format and presenting them in a clean slide interface.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Soley Studio is an open-source modeling tool for creating UML diagrams and Business Process Model and Notation (BPMN) workflows. It has a simple and intuitive graphical interface for building various diagrams such as use case, activity, sequence, and state machine.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API