OpenstreetMap Downloader is a tool that can automatically download the OpenstreetMap images to your PC. It can download the small tiles and save them to your hard disk, including the normal, transpot and cycle layers, opensea, etc. After downloading, you can view the maps offline by its tool Maps Viewer, or you can combine the small images into one big map image. If you want to make a map of your city by yourself, it is very useful for you.

Google Maps Terrain Downloader is a tool that help you to get small tile terrain map images from Google Maps. All downloaded small terrain images are saved on the disk. You can view downloaded maps by Terrain Map Viewer Or you can combine them into a big BMP map.