Godot Engine - Feature-packed 2D and 3D open source game engine.
Processing - C++ and Java programming at the speed of thought.
Unreal Engine - Unreal Engine 4 is a suite of integrated tools for game developers to design and build games, simulations, and visualizations.
Nodebox - NodeBox is a new software application for creating generative art using procedural graphics and a...
Unity - The multiplatform game creation tools for everyone.
Vvvv - vvvv is a graphical programming environment for easy prototyping and development.