
Description: Urho3D is a free and open source cross-platform 2D and 3D game engine. It provides features such as scene management, rendering, audio, physics, and networking for building games and 3D applications across desktop, mobile, and web platforms.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: The Unreal Development Kit (UDK) is a free version of the Unreal Engine 3 that allows developers to modify the engine and create game levels and mods. It provides a full suite of game development tools for building 3D games.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API