
Description: Windows App Studio is a free integrated development environment by Microsoft that allows anyone to easily build Windows apps. It includes tools for building user interfaces, connecting to data sources, and publishing apps to the Microsoft Store.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: MIT App Inventor is a visual programming tool that allows anyone to build fully functional apps for Android devices. It uses a building blocks interface that enables dragging, dropping and configuring app components without writing code.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API