
Description: Platform.sh is a platform as a service for hosting web applications. It simplifies deployment, scaling, and management of applications with an automated infrastructure and workflow.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Google App Engine is a platform for building scalable web applications and mobile backends. It provides automatic scaling, distributed caching, health checks and other services to make app development easier.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API