GraphHopper licensed under the Apache license, Version 2.0
Copyright 2012 - 2022 GraphHopper GmbH
The core module includes the following additional software:
- slf4j.org - SLF4J distributed under the MIT license.
- com.carrotsearch:hppc (Apache license)
- SparseArray from the Android project (Apache license)
- Snippets regarding mmap, vint/vlong and compression from Lucene (Apache license)
- XMLGraphics-Commons for CGIAR elevation files (Apache License)
- Apache Commons Lang - we copied the implementation of the Levenshtein Distance (Apache License)
- Apache Commons Collections - we copied parts of the BinaryHeap (Apache License)
- java-string-similarity - we copied the implementation of JaroWinkler (MIT license)
- Jackson (Apache License)
- org.locationtech:jts (EDL), see #1039
- AngleCalc.atan2 from Jim Shima, 1999 (public domain)
- janino compiler (BSD-3-Clause license)
- protobuf - New BSD 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)
- no.ecc:java-vector-tile (Apache license)
- some images from mapbox https://www.mapbox.com/maki/, BSD License, see core/files
| source | license | used as default | included in repo |
|---|---|---|---|
| OpenStreetMap data for the road network | ODBL | yes | yes |
| SRTM elevation | public domain, acknowledgement | no | yes |
| CGIAR elevation | allowed usage for GraphHopper | no | no |
| SRTMGL1 elevation | acknowledgement | no | no |
| OpenTopography mirror for SRTMGL1 | acknowledgement OpenTopoGraphy and data source + SRTMGL1 | no | no |
| GMTED | public domain, acknowledgment | no | no |
| Tilezen Joerd (Skadi) | acknowledgment | no | no |