An introduction to editing on OSM :osm: and OGF :ogf:, the largest real-world and fictional collaborative mapping platform respectively. Learn the basics of the iD (web-based) and/or JOSM :josm: editor, explore how nodes, ways, and relationships represent geographical data, and build your own cities on an open canvas :woa:
Attention transportation nerds: highways, trains, airports, ferries... they've got it all! :train-autism-creature: Try designing the transit system you wish you had back home (americans be like :heavysob:) or make something as janky as possible :jankman:
Links: :osm: https://www.openstreetmap.org/ :ogf: https://opengeofiction.net/ :josm: https://josm.openstreetmap.de/