
Description: NeoAxis is a free and open-source 3D game engine for Windows. It includes tools for level design, scripting, physics simulation, particle systems, animation, and more. Good for indie developers on a budget.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: S2 Engine HD is a 3D game engine designed for creating modern, high-definition games. It features advanced graphics rendering, physics simulation, animation tools, and support for multiple platforms.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API