What OpenStreetMap is, how its open map data and editing tools work, its licensing terms, and how it compares to Google Maps and Mapbox in 2026.
OpenStreetMap is a free, editable database of the world's geography, built entirely by volunteer contributors and released under an open data license. It covers roads, buildings, land use, points of interest, footpaths, and countless other geographic features, all sourced from GPS traces, imagery, surveys, and local knowledge.
The project is stewarded by the OpenStreetMap Foundation, a UK nonprofit, which owns the servers and infrastructure and holds the data license on behalf of the community, but does not control or own the content itself; that belongs collectively to its contributors under the Open Database License.
Contributors edit the map using the browser-based iD editor for quick changes or the more powerful desktop JOSM editor for detailed mapping work, with every edit versioned and attributable like a wiki. The Overpass API and regular data extracts (via providers like Geofabrik) let developers query or download the full dataset for any region.
Because the raw data is open, a broad ecosystem of tools is built on top of it, including custom map styles and tile rendering (OSM Carto and others), routing engines such as OSRM and GraphHopper, and geocoding services, giving developers a full mapping stack without relying on a single proprietary vendor.
OpenStreetMap's data is free to download and use, including for commercial products, under the ODbL, which requires attribution and that derivative databases remain similarly open.
The Foundation does not charge for map data or the main openstreetmap.org tiles for light usage, but heavy commercial use of the public tile servers is discouraged; instead, most production applications pay third-party providers such as Mapbox, MapTiler, or Geofabrik for hosted tiles, geocoding, and routing built on OSM data, with pricing set independently by each provider.
Yes. OSM's map data is free to download, use, and modify, including for commercial products, under the Open Database License, which requires attribution.
No single company owns OSM. The data belongs collectively to its contributors, while the OpenStreetMap Foundation, a UK nonprofit, owns and operates the underlying infrastructure and holds the license on the community's behalf.
OpenStreetMap's underlying data is open, editable, and free to use commercially with attribution, while Google Maps data is proprietary and access is metered through paid API usage.
Millions of registered volunteers worldwide edit OSM using tools like the iD web editor or the JOSM desktop editor, sourcing changes from GPS traces, imagery, and local surveys.
Yes, as long as you comply with the Open Database License, which primarily requires giving appropriate attribution to OpenStreetMap contributors.
HOT is a nonprofit that coordinates volunteer mapping efforts, often rapidly mapping disaster-affected or under-mapped regions to support humanitarian and relief organizations.
Light use of the public openstreetmap.org tile servers is free, but heavy commercial traffic is expected to use a paid third-party tile provider such as Mapbox or MapTiler instead.