轉自：http://blog.csdn.net/enlangs/article/details/20233285

簡介

GraphHopper is a fast and Open Source road routing engine.
Highlights:

•     Is fast and memory efficient
•     Works with OpenStreetMap data
•     Business-friendly due to Apache License
•     Scales from big server to mobile device
•     Implemented in Java™
•     Works on Android and Raspberry Pi
•     Has a large test suite
•     Highly customizable

官網

http://graphhopper.com/

https://github.com/graphhopper/graphhopper

demo

線上：http://graphhopper.com/maps/?point=madrid&point=moscow&vehicle=car

android：https://github.com/graphhopper/graphhopper/wiki/Android