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Protomaps

Serverless maps from a single PMTiles archive

Maps & GIS ★ 3.1k stars Medium setup BSD-3-Clause

Protomaps is an open-source project for displaying maps from a single static file in the PMTiles format. It enables serverless map hosting on object storage or a CDN with no tile server required.

Official siteSource code

Key features

  • Single-file map archives
  • Serverless hosting
  • Works on object storage
  • Cheap to operate

Strengths

  • Released under the BSD-3-Clause license
  • Active community (3.1k GitHub stars)
  • Written in TypeScript
  • Tiny footprint — runs in 256 MB RAM

Is Protomaps secure?

OSV.dev has no published security advisories for Protomaps'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.

Protomaps replaces

Self-hosted Mapbox alternativesSelf-hosted Google Maps alternatives

Health badge

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

SelfHostIndex: 84 · excellent

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   :alt: SelfHostIndex health score for Protomaps
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The score is recomputed on every nightly rebuild from public repository data — see how it is calculated.

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