Unity - The multiplatform game creation tools for everyone.
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.
Sculptris - Sculptris: Enter a world of digital art without barriers.
ZBrush - ZBrush is a digital sculpting and painting software solution.
GDevelop - GDevelop is an open-source game making software designed to be used by everyone.