A collection of related projects for OSM, geospatial index, map sources and more...
- Mobile Atlas Creator - http://mobac.sourceforge.net/
- OSMBonusPack - https://github.com/MKergall/osmbonuspack
- Mapsforge - https://github.com/mapsforge/mapsforge
- Mozilla Stumlber (uses a forked osmdroid map) - https://github.com/mozilla/MozStumbler
- Geopackage-Android - https://github.com/ngageoint/geopackage-android
- Geopackage for osmdroid (offline conversion) - https://github.com/spyhunter99/geopkg4osmdroid
- GeoPaparzzi - https://github.com/geopaparazzi/geopaparazzi
- Splte (Geospatial extensions for Sqlite) - https://www.gaia-gis.it/fossil/libspatialite/wiki?name=splite-android
- Open Science Map - https://github.com/opensciencemap/vtm
- MapZen https://mapzen.com/projects/vector-tiles
- Common Map API - http://cmapi.org/
- OsmReader - bz2 to sqlite on ADK or JDK - https://github.com/spyhunter99/osmreader
- USGS Earth Explorer - http://earthexplorer.usgs.gov/
- Nifty trick for better performance with polylines - http://fiskurgit.github.io/osmdroid_polyline_performance
- Pocketmaps - https://github.com/junjunguo/PocketMaps
- Grasshopper - https://github.com/graphhopper/graphhopper/blob/master/docs/android/index.md
- osmeditor4android - https://github.com/MarcusWolschon/osmeditor4android