
Description: Diagram Designer is a free, open-source, cross-platform diagramming software for creating flowcharts, UML diagrams, BPMN diagrams, network diagrams, maps, floor plans, and more. It has an intuitive drag-and-drop interface with a large collection of vector shapes and templates.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: UMLGraph is an open-source Java tool that takes text written in a simple graph format and renders it into a UML diagram. It supports class diagrams, use case diagrams, object diagrams, state diagrams, component diagrams, deployment diagrams and more.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API