google earth images downloader is a tool that help you to get offline satellite tile images from google earth (not google maps), including historical imagery. It can work without google earth installed.

Bing Maps Downloader is a tool that can automatically download the Bing Maps images to your PC. It can download the small tiles and save them to your hard disk, including the normal maps, satellite maps, hybrid maps. 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.