ct.js - ct.js is a 2D game editor (desktop app) based on web technologies.
Unity - The multiplatform game creation tools for everyone.
PlayMaker + Unity3D - PlayMaker - Visual Scripting for Unity. Make games, VR, AR, and other interactive content in Unity without writing code.
Godot Engine - Feature-packed 2D and 3D open source game engine.
GDevelop - GDevelop is an open-source game making software designed to be used by everyone.
Blender - Blender is the open source, cross platform suite of tools for 3D creation.