
Description: Skeleton is a simple, responsive boilerplate that can be used as a lightweight starting point for web development projects. It provides basic CSS and JS functions for rapid prototyping.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

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