graphhopper

graphhopper/graphhopper

Open source routing engine for OpenStreetMap. Use it as Java library or standalone web server.

6.5K stars 1.9K forks 6.5K watchers Java Apache License 2.0
astar dijkstra directions geospatial graphhopper isochrones java map-matching openstreetmap pathfinding public-transportation routing routing-engine
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3 Open Issues Need Help Last updated: Jul 4, 2026

Open Issues Need Help

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Prefer cycleway=lane for bike 16 days ago
improvement osm good first issue
graphhopper/graphhopper
6.5K

Open source routing engine for OpenStreetMap. Use it as Java library or standalone web server.

Java
#astar#dijkstra#directions#geospatial#graphhopper#isochrones#java#map-matching#openstreetmap#pathfinding#public-transportation#routing#routing-engine
PT routing ignores 'points_encoded=true' 2 months ago
bug good first issue
graphhopper/graphhopper
6.5K

Open source routing engine for OpenStreetMap. Use it as Java library or standalone web server.

Java
#astar#dijkstra#directions#geospatial#graphhopper#isochrones#java#map-matching#openstreetmap#pathfinding#public-transportation#routing#routing-engine
allow to skip instructions for via points 5 months ago
new feature good first issue
graphhopper/graphhopper
6.5K

Open source routing engine for OpenStreetMap. Use it as Java library or standalone web server.

Java
#astar#dijkstra#directions#geospatial#graphhopper#isochrones#java#map-matching#openstreetmap#pathfinding#public-transportation#routing#routing-engine