Unity - The multiplatform game creation tools for everyone.
MATLAB - A high-level language and interactive environment for numerical computation, visualization, and programming
Godot Engine - Feature-packed 2D and 3D open source game engine.
Wolfram Mathematica - Mathematica has characterized the cutting edge in specialized processing—and gave the chief calculation environment to a large number of pioneers, instructors, understudies, and others around the globe.
Blender - Blender is the open source, cross platform suite of tools for 3D creation.
GNU Octave - GNU Octave is a programming language for scientific computing.