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OpenStreetMap

Open Data & Research PortalsGeospatial & Mapping Data
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Verified working Jul 31, 2026

A community-edited world map with openly licensed geographic data.

OpenStreetMap is a global map and geospatial dataset maintained by volunteer contributors. The site lets visitors browse, search, route, export map data, review edit history, upload GPS traces, and contribute changes through browser-based or external editing tools.

Why it stands out

  • Built from contributor-maintained geographic data rather than a closed commercial map database.
  • Open licensing makes the data reusable for many research, civic, and product workflows.
  • Includes both casual browsing and direct editing paths from the main website.
  • Exposes edit history, making map changes more transparent than typical consumer map sites.
  • Supported by a large ecosystem of routers, editors, exports, and downstream map services.

Good to know

  • Coverage and detail can vary by region because the map is contributor-maintained.
  • The interactive “slippy map” requires JavaScript in the browser.
  • Reuse requires following the OpenStreetMap copyright and license terms, including attribution.
  • Edits should be made carefully; changes affect a shared public map used by many downstream services.

Under the radar: Use the History view before editing a busy area; it can reveal recent local changes and help you avoid overwriting another mapper’s work.

Photos

Illustration for OpenStreetMap