What is Open RPG Maker?
Open RPG Maker is a free and open source clone of features from the RPG Maker series (i.e. rpgmaker200, rpgmaker2003, rpgmakerxp), as well as many other features. All of the data files are in XML format and are easily editable with any text editor.
The last update was released on February 12th, 2014.
Open RPG Maker Screenshots
Open RPG Maker Features
Open RPG Maker information
Comments and Reviews
Said about Open RPG Maker as an alternative
It's very similar to RPG Maker, and is fairly easy to use.
It's exactly what I was searching for
adjust rpg maker as you wish