… Mapping This group is also for people who are into or would like to know more about mapping for OpenStreetMap. This is another thing to do with your GPS unit. OpenStreetMap is a project aimed at creating and providing free open source map of the world as an alternative to maps from TeleAtlas and Navteq that Google and others use. 56,000 people across the world are contributing to OpenStreetMap. We contribute to OpenStreetMap by taking a handheld GPS device out walking either in an urban a …