Blender - Blender is the open source, cross platform suite of tools for 3D creation.
Lasergist - Your custom design in pure, laser-cut stainless steel
Unreal Engine - Unreal Engine 4 is a suite of integrated tools for game developers to design and build games, simulations, and visualizations.
FineToon.net - Create caricatures of you and your friends
Unity - The multiplatform game creation tools for everyone.
Glowforge - The 3D laser printer