Materialize CSS - A modern responsive front-end framework based on Material Design
Unity - The multiplatform game creation tools for everyone.
Material Design Lite - Material Design Lite Components in HTML/CSS/JS
Godot Engine - Feature-packed 2D and 3D open source game engine.
Foundation - The most advanced responsive front-end framework in the world
Blender - Blender is the open source, cross platform suite of tools for 3D creation.