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NOTICE

NOTICE.md

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Licenses

GraphHopper licensed under the Apache license, Version 2.0

Copyright 2012 - 2026 GraphHopper GmbH

The core module includes the following additional software:

  • slf4j.org - SLF4J distributed under the MIT license.
  • com.carrotsearch:hppc (Apache license)
  • Snippets regarding mmap, vint/vlong and compression from Lucene (Apache license)
  • XMLGraphics-Commons for CGIAR elevation files (Apache License)
  • libwebp from Google for PMTiles (BSD-3-Clause license)
  • com.github.usefulness:webp-imageio for PMTiles (Apache license)
  • Apache Commons Lang - we copied the implementation of the Levenshtein Distance - see com.graphhopper.apache.commons.lang3 (Apache License)
  • Apache Commons Collections - we copied parts of the BinaryHeap - see com.graphhopper.apache.commons.collections (Apache License)
  • java-string-similarity - we copied the implementation of JaroWinkler (MIT license)
  • Jackson (Apache License)
  • org.locationtech:jts (EDL)
  • AngleCalc.atan2 from Jim Shima, 1999 (public domain)
  • janino compiler (BSD-3-Clause license)
  • osm-legal-default-speeds-jvm (BSD-3-Clause license)
  • kotlin stdlib (Apache License)
  • protobuf from Google - (BSD-3-Clause license)
  • OSM-binary - (LGPL license)
  • Osmosis - public domain, see their github under package/copying.txt

reader-gtfs:

  • some files from com.conveyal:gtfs-lib (BSD 2-clause license)
  • com.google.transit:gtfs-realtime-bindings (Apache license)
  • com.google.guava:guava (Apache license)
  • net.sourceforge.javacsv:javacsv (LGPL license)
  • commons-io:commons-io (Apache license)
  • org.mapdb:mapdb (Apache license)

tools:

  • uses Apache Compress (Apache license)

client-hc:

  • okhttp (Apache license)

web:

  • org.eclipse.jetty:jetty-server (Apache License)
  • Dropwizard and dependencies (Apache license)
  • classes in no.ecc are a copy of no.ecc.vectortile:java-vector-tile, see #2698 (Apache license)

Data

sourcelicenseused as defaultincluded in repo
OpenStreetMap data for the road networkODBLyesyes
SRTM elevationpublic domain, acknowledgementnoyes
CGIAR elevationallowed usage for GraphHoppernono
SRTMGL1 elevationacknowledgementnono
OpenTopography mirror for SRTMGL1acknowledgement OpenTopoGraphy and data source + SRTMGL1nono
GMTEDpublic domain, acknowledgmentnono
Tilezen Joerd (Skadi)acknowledgmentnono