
Description: Mesosphere DCOS is an open source distributed operating system based on Apache Mesos that manages computer clusters and facilitates container orchestration and services using Marathon, Kubernetes, DC/OS itself. It provides resource efficiency, scalability, and ease of management for distributed workloads.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Overnode is an open-source alternative to Figma for interface design, prototyping, and collaboration. It provides a flexible, easy-to-use tool for designers to create prototypes, get feedback, and turn concepts into products.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API