m. c. de marco: To invent new life and new civilizations...

AutoREALM

Here’s another program I found while browsing the NaNoWriMo forums: AutoREALM: The Free GNU Mapper. Don’t let the GNU mislead you; AutoREALM is available only for Windows. It’s intended for gamers, but if you’re addicted to maps AutoREALM may be for you.