Unity - The multiplatform game creation tools for everyone.
Speedcube - A simple and elegant Rubik's cube solve timer
Godot Engine - Feature-packed 2D and 3D open source game engine.
Linia - You will never look at colors the same way...
Blender - Blender is the open source, cross platform suite of tools for 3D creation.
Braille Cube - Rubiks Cube for the blind