
Description: OpenStack is an open-source cloud computing platform that allows companies to create and manage public and private clouds. It provides infrastructure-as-a-service capabilities for managing compute, storage, and networking resources.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: VMware vSphere Hypervisor is a free bare-metal hypervisor that virtualizes servers to enable the running of multiple operating systems on a single physical server. It provides a simple, reliable and secure foundation for business-critical applications.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API