
Description: CloudStack is open source cloud computing software that is used to deploy and manage large networks of virtual machines. It provides a web interface and APIs for managing compute, networking, and storage resources pooled from hosts.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Amazon EC2 is a cloud computing service that provides resizable compute capacity in the cloud. It allows users to launch virtual server instances that run on Amazon's infrastructure. EC2 enables scalable deployment of applications by providing a web service through which a user can boot an Amazon Machine Image to configure a virtual machine.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API