
Description: Danube Cloud is an open source platform-as-a-service solution that allows developers to quickly build, deploy and scale applications without managing the underlying infrastructure. It is designed to be easy to use, flexible and reduce time to market.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: QEMU is an open source machine emulator and virtualizer. It can emulate a complete computer system, including peripherals, and allow you to launch different operating systems without rebooting your physical machine.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API