Construct 3
GDevelop
Godot Engine
BuildBox
Scratch
ct.js
PlayFab
BYOND
Construct 2
Godot Engine
GDevelop
Unreal Engine
BYOND
Corona SDK
Defold Engine
Unity
GDevelop - GDevelop is an open-source game making software designed to be used by everyone.
Godot Engine - Feature-packed 2D and 3D open source game engine.
BuildBox - Buildbox is a new video game maker that is extremely easy to use.
Unreal Engine - Unreal Engine 4 is a suite of integrated tools for game developers to design and build games, simulations, and visualizations.
Scratch - Scratch is the programming language & online community where young people create stories, games, & animations.
BYOND - BYOND is the premier community for making and playing online multiplayer games.