Fledgeling is a numeric role playing framework with integrated Simulated Intelligence and nested fractal structure.
Fledgeling is a computer game. Sort of. It is also a game engine.The TableTop RPG analogy is probably the best. Fledgeling is an attempt to fabricate a computer program that can act as both mediator and storyteller, with the ability to adapt to player actions. So basically we’re trying to make an AI DM.
The overview page says the same thing in more words.