Using one of these programs will allow you to load up a Minecraft world file and render it as a 2D image, providing you with a top-down map of the world. AMIDST (Advanced Minecraft Interface and Data/Structure Tracking) ( amidst AUR ) is a program that aids in the process of finding structures, biomes, and players in Minecraft worlds.
Mars generator that is based of my moon generator plugin. Commands: /marsgenerator create <world_name> Creates a world using specified name and teleports you to the world you created. /marsgenerator teleport <world_name> Teleports you to created world. To use these commands you need the permission moongenerator.use Some images of the generator