GitHub - graphhopper/graphhopper: Open source routing engine for OpenStreetMap. Use it as Java library or standalone web server.
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Celebrating 10 Years of Openrouteservice – The First OpenStreetMap Route Planner | Heidelberg Institute for Geoinformation Technology
![What is the most user friendly OSM route planning API? - Geographic Information Systems Stack Exchange What is the most user friendly OSM route planning API? - Geographic Information Systems Stack Exchange](https://i.stack.imgur.com/HglpT.png)