Useful map resources:
- Newt Blueprint Builder (free). Make Alien/Aliens-style maps easily.
- Dungeon Scrawl (free). Old-school maps with multiple themes.
- HexTML (free). Online hex-map maker.
- Starship Geomorphs (free). A bunch of maps for spaceships, especially Traveller/Cepheus ships.
- Station Blueprint Designer (free). A webapp to design simple hard(ish) sci-fi space stations and deep space vehicles.
- Role Generator Spaceship Generator. Uses the Starship Geomorphs to randomly generate complete spaceship deckplans.