Darkness Springs: Realm Architect
is the name for the role playing game's game editor, which is now available for public use.
In short, everybody can create own role playing realms with own quests, maps and stories with it, and make them available to everyone with one click, because Darkness Springs is running directly in the browser.
There is a detailed editor manual
available if you are interested. And some people already started playing around with the editor, obviously