Genesis 2D is a free game creation program used to create your very own MORPG quickly and easily. No programming knowledge is required to use the engine; all of your game content can be modified with the various easy-to-use editors. The engine has an active, supportive community who is always willing to help out.
The Genesis 2D website can be found here.
Or, you can go straight to the download page to get your free copy of Genesis 2D.
The latest version of the engine is 4.0. Donators who donate $10 or more also gain access to the source code repository.