
Description: Stackato is a platform-as-a-service (PaaS) solution created by ActiveState for deploying and managing applications in the cloud. It provides an open platform to build, deploy, and scale apps in multiple languages using various frameworks.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Nebula Container Orchestrator is an open-source container orchestration platform that can automate deployment, scaling and management of containerized services. It is designed to be lightweight, portable and extensible.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API