
Description: Diagrammix is a free, open-source, and cross-platform diagramming software. It allows users to easily create flowcharts, UML diagrams, network diagrams, wireframes, and more. Key features include a simple and intuitive interface, comprehensive shape libraries, real-time collaboration, and output to various file formats like SVG, PNG, and PDF. Diagrammix is a good alternative for tools like Microsoft Visio and Lucidchart, especially for those seeking an open-source and freely-available option.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: yEd is a free and open-source diagramming software for Windows, macOS, and Linux. It allows users to quickly and easily create diagrams like flowcharts, network diagrams, UML diagrams, BPMN diagrams, org charts, and more. yEd has automatic layout algorithms to tidy up diagram layouts.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API