
Description: Open System Architect is an open source system architecture modeling and design tool. It provides capabilities for creating different architecture diagrams such as logical/physical/infrastructure architecture diagrams, data flow diagrams, workflow diagrams, and more. It is a free and lightweight alternative to other paid systems architecture tools.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: SAP PowerDesigner is a data modeling and design tool used to model, design, visualize, analyze and build data and process architecture for data warehousing, business intelligence, big data, and other data-centric applications. It helps create visual models to document systems and databases.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API