1.graphhopper / graphhopperOpen source routing engine for OpenStreetMap. Use it as Java library or standalone web server.openstreetmapjavageospatialdijkstradirectionsrouting-engine+7 moreJavaAPACHE-2.06.8K total2K forks+7 starsfrom 6,743 · score 2.08
2.mapsforge / mapsforgeVector map library and writer - running on Android and Desktop.openstreetmapjavamapvectorJavaLGPL-3.01.4K total403 forks+3 starsfrom 1,416 · score 1.39
3.GIScience / openrouteservice🌍 The open source route planner api with plenty of features.directions-apirouting-engineopenstreetmaproutingosmisochrones+1 moreJavaGPL-3.02K total488 forks+1 starsfrom 1,987 · score 0.69
4.labexp / osmtracker-androidGPS tracking tool for OpenStreetMapgpxopenstreetmaposmJavaGPL-3.0563 total261 forks+1 starsfrom 562 · score 0.69