
Description: Azkaban is an open source workflow scheduler created at LinkedIn to run Hadoop jobs. It allows users to easily create, schedule and monitor workflows made up of different jobs. Azkaban provides a web interface and scheduling capabilities to manage dependencies between jobs.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: StackStorm is an open-source automation platform that provides event-driven automation for auto-remediation, security responses, troubleshooting and more. It's designed to be highly flexible and responsive for handling real-time data and events.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API