Poll with comments: skill tree.

If such a program can be used not only by a small circle of enthusiasts but by everyone who wants to, I don't see any reason to prohibit it. Moreover, I don't see any reason to prohibit the map editor. It contains the same information as the tables on demonology, movement points, etc.

By the way, the possible existence of such a program might explain some of the actions of the Chinese player Thinkeerr.