Feel free to share any helpful resources (advice, artwork, random generators, InDesign/Publisher templates) here.

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.