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Tangram

Flexible WebGL map rendering engine

Maps & GIS ★ 2.3k stars Medium setup MIT

Tangram is an open-source map rendering engine that draws 2D and 3D maps using WebGL with fully customizable styling. It works with vector tiles and is designed for creative cartographic experiments.

Official siteSource code

Key features

  • WebGL rendering
  • 2D and 3D maps
  • Custom styling
  • Vector tile support

Strengths

  • Released under the MIT license
  • Active community (2.3k GitHub stars)
  • Written in JavaScript
  • Tiny footprint — runs in 128 MB RAM

Is Tangram secure?

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

Tangram replaces

Self-hosted Mapbox GL JS alternativesSelf-hosted Google Maps alternatives

Health badge

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

SelfHostIndex: 48 · fair

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

Compare Tangram

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