Acastus
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Acastus is a completely private, free and open source Address / POI lookup application for android.
Use it to find nearby places, all without the privacy invasions and tracking features of other apps.
Share your location to other people, knowing full well that the information is kept private.
Acastus relies on Pelias as the backend, a replacement for Google Maps and other geocoding services that you can run on your own server. It uses the pelias-api to fetch results to your phone, allowing you to search for places, then open and navigate to the result in your preferred navigation app such as OsmAnd or Maps.me.
Details on setting up your own Pelias instance are here: https://github.com/pelias/pelias
Donations are welcome and greatly appreciated: