
Description: The Standard Widget Toolkit is an open-source, cross-platform widget toolkit for developing graphical user interfaces. It provides developers with an abstraction layer for creating complex widgets and aims to provide maximum portability across operating systems.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Qt is a cross-platform application development framework focused on creating GUI and CLI apps for desktop, mobile and embedded platforms. It includes a class library and tools designed to streamline the process of writing and maintaining applications across platforms.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API