
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: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Nanobox is a development platform for building and deploying applications. It allows developers to create isolated, consistent development environments that can then be deployed anywhere. Nanobox handles infrastructure provisioning, scaling, load balancing, app monitoring, and more.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API