Blender - Blender is the open source, cross platform suite of tools for 3D creation.
ZMorph - A multi-fab 3D printer that enables fast product prototyping
Unreal Engine - Unreal Engine 4 is a suite of integrated tools for game developers to design and build games, simulations, and visualizations.
Lasergist - Your custom design in pure, laser-cut stainless steel
Unity - The multiplatform game creation tools for everyone.
Form 2 - The most advanced desktop 3d printer ever created