Start with Watabou for fantasy or ProbableTrain for cyberpunk. Click the button. Move the slider. Explore the seed.
To appreciate the modern city map generator, it helps to look back at the evolution of map-making in creative industries. For decades, Dungeon Masters and authors relied on hand-drawn techniques. While charming, these methods were static. If you realized a highway needed to cut through a district, you often had to start from scratch. Modern City Map Generator