
Description: Stride is an open-source MIT C# game engine designed for high performance and ease of use. It utilizes cutting-edge graphics technology for stunning visuals and includes features like an entity-component system, visual scripting, and multiplayer networking.
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