Unreal Engine - Unreal Engine 4 is a suite of integrated tools for game developers to design and build games, simulations, and visualizations.
PICO-8 - Lua-based fantasy console for making and playing tiny, computer games and programs.
Unity - The multiplatform game creation tools for everyone.
Form 2 - The most advanced desktop 3d printer ever created
Shiva Engine - Shiva Engine is a cross-platform development solution.
Photon - The fastest way to build beautiful Electron apps using simple HTML and CSS.