Blender - Blender is the open source, cross platform suite of tools for 3D creation.
Godot Engine - Feature-packed 2D and 3D open source game engine.
Processing - C++ and Java programming at the speed of thought.
Unity - The multiplatform game creation tools for everyone.
Mandelbulb 3D - Mandelbulb 3D is a free software application created for 3D fractal imaging.
Unreal Engine - Unreal Engine 4 is a suite of integrated tools for game developers to design and build games, simulations, and visualizations.