
Description: CodeExec is an online code execution platform that allows users to run code snippets in over 15 programming languages directly in their web browser. It provides instant execution and output display with features like input parameters, timeout control, and memory limit adjustments.
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