Universal Gcode Sender - A full featured gcode platform used for interfacing with advanced CNC controllers like GRBL and TinyG.
Unity - The multiplatform game creation tools for everyone.
CNCjs - A web-based interface for CNC milling controller running Grbl, Marlin, Smoothieware, or TinyG. - cncjs/cncjs
Godot Engine - Feature-packed 2D and 3D open source game engine.
Candle - GRBL controller application with G-Code visualizer written in Qt
Blender - Blender is the open source, cross platform suite of tools for 3D creation.