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OpenStreetMap Carto

The standard map style for OpenStreetMap rendering

Maps & GIS ★ 1.7k stars Hard setup CC0-1.0

OpenStreetMap Carto is the CartoCSS map stylesheet used to render the standard map layer on openstreetmap.org. It is used with renderers like Mapnik to produce raster tiles from OSM data.

Official siteSource code

Key features

  • Standard OSM map style
  • Mapnik rendering
  • Detailed cartography
  • Widely reused base style

Strengths

  • Released under the CC0-1.0 license
  • Active community (1.7k GitHub stars)
  • Written in CartoCSS

Is OpenStreetMap Carto secure?

OSV.dev has no published security advisories for OpenStreetMap Carto's repository. No known vulnerabilities is not proof of security: it means none have been publicly catalogued.

Source: OSV.dev, checked 2026-10-14. How this is measured.

OpenStreetMap Carto replaces

Self-hosted Google Maps alternatives

Health badge

Maintain OpenStreetMap Carto? Add its health score to your README. The badge links back to this page.

SelfHostIndex: 81 · excellent

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   :alt: SelfHostIndex health score for OpenStreetMap Carto
   :target: https://selfhostindex.com/app/openstreetmap-carto/

The score is recomputed on every nightly rebuild from public repository data — see how it is calculated.

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