
Description: WhiteStarUML is an open-source UML modeling tool for Windows, Linux and Mac. It allows users to create UML diagrams like class, sequence, use case, state machine and activity diagrams. It has basic UML 2.0 compliance and is lightweight and easy to use.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Dynamic Draw is a free, open-source vector graphics editor for Windows, Mac, and Linux. It is designed to be an intuitive drawing application with a clean interface and a focus on usability. Dynamic Draw allows users to create 2D illustrations, diagrams, sketches, and art. Key features include Bezier curves, pressure-sensitive drawing, layers, and export to various file types.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API