
Description: fgmk is a free and open source game creation tool for making 2D video games based on Game Maker Studio. It allows users to create original games without coding knowledge by providing an approachable drag-and-drop interface and built-in assets.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Solarus is a free and open source 2D game engine written in C++. It focuses on retro-style action RPGs and can be used to create Zelda-like games. Solarus is cross-platform and supports quests, sprites, tiles, audio, and more out of the box.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API