...You can get the latest version from here: http://java.com/en/download/index.jsp
Video giving an overview of how it works (Alpha version):
2013/01 overview: http://youtu.be/ThIVkyk2q0c
Updated: http://youtu.be/HLbtk53b-0k
Import/Export charts: http://youtu.be/dZGjAwGVF40
Initial: http://youtu.be/pGhpQ1uCznM
Change History:
https://sourceforge.net/p/oldschooltool/code/118/log/?path=
The Gremlin Engine allows one to make its own, full featured, graphical RPG-style adventure without a line of code.
The adventures may include scripted parts like introduction sequences and animated effects like spells or traps.