
Description: Penpot is an open source design and prototyping tool for UI and UX designers. It allows designers to create wireframes, mockups, and prototypes with support for canvas grids, symbols, shared libraries, and sketch imports. Penpot has vector editing capabilities, component libraries, and developer handoff features.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

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: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API