Unity - The multiplatform game creation tools for everyone.
Godot Engine - Feature-packed 2D and 3D open source game engine.
Phaser - Desktop and Mobile HTML5 game framework. A fast, free and fun open source framework for Canvas and WebGL powered browser games.
Blender - Blender is the open source, cross platform suite of tools for 3D creation.
GDevelop - GDevelop is an open-source game making software designed to be used by everyone.
Blitz3D - Create 2D and 3D Games for Windows.