
Description: System Designer is a visual modeling and design tool for creating software system architectures. It allows users to model systems using various UML diagrams like use case, class, sequence, and activity diagrams.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Papyrus UML is an open-source UML modeling tool based on Eclipse. It allows developers to create UML diagrams like use case, activity, class, sequence, and more. Papyrus aims to provide an advanced environment for editing, visualization and coding of UML models.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API