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

A simple web app/game that shows why the Traveling Salesman Problem is fun to work on

GraphHopper Maps - Open Source Route Planner UI

JavaScript client for the GraphHopper Directions API

GraphHopper Navigation Example using the Maplibre Android SDK

Always the same JSON response to load test the load balancer

jsprit is a java based, open source toolkit for solving rich vehicle routing problems

Jackson serializers for JTS Geometry objects

Load testing of the GraphHopper architecture.

Converts arbitrary geocoding responses to a GraphHopper response