ct.js
ct.js is a 2D game editor (desktop app) based on web technologies.
21 Alternatives To ct.js
Adventure Game Studio
Adventure Game Studio provides the tools to make your own adventure, for free!
AppGameKit
AppGameKit is a game development platform for mobile devices.
BYOND
BYOND is the premier community for making and playing online multiplayer games.
Blacksmith 2D
Black is a highly optimized 2D framework for web, mobile games, and playable ads.
Blender
Blender is the open source, cross platform suite of tools for 3D creation.
ClickTeam Fusion
[Multimedia Fusion 2 has been replaced by Clickteam Fusion 2.5.]
Cocos2d-x and Cocos Creator
Cocos Engine Official Website | Cocos Creator | Cocos2d-x | Open Source Cross-Platform Game Development Engine
Construct 2
Scirra Construct is a 2D game development engine with a focus on building games visually.
Corona SDK
Cross-platform mobile app development.
FlatRedBall
Cross-platofrm 2D game engine using C#, focused on developer productivity, transparency, scalability, and ease of use.
GDevelop
GDevelop is an open-source game making software designed to be used by everyone.
LITIengine
LITIengine is a free and open source Java 2D Game Engine. It provides all the infrastructure to create tile based 2D games with plain java, be it a platformer or a top-down adventure.
MonoGame
MonoGame is an open source implementation of the Microsoft XNA 4 Framework.
Orx
Orx - a portable open source game engine
Pygame
Pygame is a set of Python modules designed for writing games.
RPG Maker
Make your own PC game with RPG Maker. Our easy to use tools are simple enough for a child, and powerful enough for a developer. Try it free today!
RenPy
Ren’Py is a free and cross-platform visual novel engine that helps you use words, pictures, and…
Twine
Twine is an open-source tool for telling interactive, nonlinear stories.
Unreal Engine
Unreal Engine 4 is a suite of integrated tools for game developers to design and build games, simulations, and visualizations.
Urho3D
Urho3D is a lightweight, cross-platform rendering and game engine implemented in C++ and released…
pyglet
Cross-platform windowing and multimedia library for Python.