
Description: The Castle Game Engine is a cross-platform, open source game engine for 2D and 3D games. It supports multiple programming languages and can export games to many platforms including Windows, macOS, Linux, Android, iOS, and web browsers.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: G3D Innovation Engine is an open-source, high-performance 3D graphics API suited for video games, simulations, and visualization applications. It provides advanced rendering capabilities and a scene graph architecture for building complex 3D applications.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API