OpenStreetMap (OSM) is the biggest volunteer project, to create a free map of the world together. See OSM Switzerland: https://osm.ch .
Information and programming resources for OpenStreetMap (OSM) can be found here: https://giswiki.hsr.ch/OSM-Technisches#Programming_Resources - Maps (Karten), POIs, Geocoding/-search, Routing, ..
Help and self-learning material on OSM, uMap, Overpass, etc, can be found here (DE, EN, FR): https://osm.ch/hilfe.html and here: https://www.openschoolmaps.org .
OpenStreetMap (OSM) is the biggest volunteer project, to create a free map of the world together. See OSM Switzerland: https://osm.ch .
Information and programming resources for OpenStreetMap (OSM) can be found here: https://giswiki.hsr.ch/OSM-Technisches#Programming_Resources - Maps (Karten), POIs, Geocoding/-search, Routing, ..
Help and self-learning material on OSM, uMap, Overpass, etc, can be found here (DE, EN, FR): https://osm.ch/hilfe.html and here: https://www.openschoolmaps.org .