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Building a Navigation App using Open Source Tools

At GraphHopper we regularly receive requests on how to build a navigation app with the GraphHopper Directions API. At the moment our customers either have no turn-by-turn navigation or rely on third party apps like Google Maps or devices from TomTom. The biggest disadvantage in this case is the mismatch of estimated time of arrival […]

GraphHopper Routing Engine 0.7 Released

Today we are happy to announce the new release of our open source road routing engine GraphHopper 0.7. It includes many improvements as well as a new round trip calculation for the flexibility mode. A big thanks for this release goes to all of our contributors and translators! To become a contributor see our contributing […]