July 2017
Beginner to intermediate
378 pages
10h 26m
English
OpenStreetMap is a free and editable map of the world created and maintained by volunteers. It has important features such as roads, places of interest, country borders, and ports. It is released with an open-content license, so it is free to use.
Geographic data was compiled from many sources, including the public submission of GPS traces. The following screenshot shows an example of the level of detail available and some of the volunteer submission of GPS traces:

Planet.osm is all of the OpenStreetMap features in one file. The file in total is about 750 GB when ...