
Description: Cafu Engine is an open-source 3D game engine built in C++ focused on moddability and expandability. It supports advanced graphics features like global illumination and lets users create levels and mods without programming knowledge.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Source SDK is a free software development kit created by Valve Corporation that allows users to create mods and games using the Source game engine. It includes tools for mapping, modeling, animation, scripting, particles, and more.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API