
Description: HTMLhouse is a user-friendly HTML editor for building responsive website layouts. It has a drag-and-drop interface for easily structuring pages and inserting elements like text, images, buttons, etc. Key features include mobile preview, CSS styling options, and exporting clean HTML/CSS code.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: CodePen is an online code editor and front-end web development environment. It allows developers to easily create and share HTML, CSS, and JavaScript code snippets and projects.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API