
Description: Diagram.codes is a free online diagramming tool that allows users to easily create flowcharts, UML diagrams, UI mockups, network diagrams, and more. It has an intuitive drag-and-drop interface with various shapes and connectors.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: VSDConverter is a free tool that converts VSD files from Visio to various other formats like PDF, JPG, PNG, SVG, HTML and more. It allows easy sharing and editing of Visio diagrams without needing Visio installed.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API