
Description: Mermaid is an open-source tool that allows you to create diagrams and visualizations using text and code. It is designed to integrate with documentation sites and wikis to add charts and graphs through a simple markdown-inspired script language. The key benefit is the ability to generate complex diagrams that are portable, themeable, and easy to edit programmatically.
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