Fractal Terrains

From DigitalClassicist

Fractal Terrains - A Map Generation Tool

• http://www.profantasy.com/products/ft.asp

Fractal Terrains is a mapping application intended for use by role playing games developers to generate fantasy and science fiction worlds automatically. However, it can import real-world GIS data, which can then be used to create maps of Earth.

It is not a free product.