Here all discussion and announcements about our commercial offering the GraphHopper Directions API takes place. We also have a FAQ or just use the search of this forum.
Here all discussion about the open source GraphHopper routing engine takes place. It solves the path finding problem e.g. via Dijkstra or other routing algorithms.
Here all discussion about using jsprit takes place. JSprit is our open source route optimization engine for solving rich traveling salesman (TSP) and vehicle routing problems (VRP).