
Description: Flax Engine is an open-source game engine designed for high performance and extensibility. It uses a data-oriented architecture to allow building complex games with large, detailed worlds.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: GMKR is a free and open-source 2D animation software. It provides tools for drawing, painting, animating frames, and exporting videos. GMKR has a simple interface and is good for beginners learning 2D animation.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API