graphhopper
An open source routing engine for OpenStreetMap that runs as a Java library or a web server. It calculates routes, distances, times and turn-by-turn instructions.
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Share on XLicense: Apache-2.0
Overview
GraphHopper is an open source routing engine released under the Apache License 2.0. You can embed it as a Java library or run it as a standalone web server. It calculates distance, time, turn-by-turn instructions and road attributes for routes between two or more points, using OpenStreetMap and GTFS data by default together with elevation data.
Key features
- Routes between two or more points with turn-by-turn instructions
- Snap to road map matching
- Isochrone calculation
- Mobile navigation support
- Imports OpenStreetMap, GTFS and other data sources
Best for
Developers who need to add routing, map matching or reachability areas to an application, either inside Java code or through a self-hosted server.
- Upstream
- graphhopper/graphhopper
- Fork on GitHub
- Guo-astro/graphhopper
- Upstream stars
- 6.7k
- Category
- Maps and geospatial
- Language
- Java
- License
- Apache-2.0
- Forked
- 2018-05-17
- Sync status
- Updated by last syncLast synced 2026-10-20
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