
Description: Headless UI is an unstyled, fully accessible UI component library for React. It provides composable UI building blocks without any built-in styles, allowing developers to style components to match their product design system.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Materialize is an open-source front-end framework based on Material Design principles. It provides UI components like buttons, cards, navigation, grids, and more to help developers quickly build responsive web apps with a modern look and feel.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API