
Description: Cosmos Server is an open-source, high-performance parallel computing framework for running big data analytics workloads. It provides distributed computation and storage across clusters of commodity hardware.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Sandstorm is an open source platform for self-hosting web apps. It allows you to run web apps on your own server while isolating them into secure sandboxes. Sandstorm handles authentication, access control, versioning, and backups for the apps.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API