graphhopper-maps VS photon

https://f-droid.org/packages/com.graphhopper.maps/

Unlike most OSM apps it requires an internet connection but has the advantage of an address search with auto complete and alternative routes.

Or use the website https://graphhopper.com/maps/ (disclaimer: I'm one of the founders of GraphHopper)

Both come with a custom model editor (gear button in the top left) where you can tweak the routing preferences to your liking like prefering more the official bike routes or more elevation avoidance or a slower speed etc.

https://graphhopper.com/maps/ is an amazing product that is open source, but it just does routing (with GPX download). I wish it had a little PostGIS data browser that I could write into via routes I draw on the map, or I upload (or import from other devices using something like GarminDB or similar). That, and adding arbitrary points, would be great. Just a simple, general-purpose map authoring tool. I just feel like I'm missing something, it seems like this would exist already.

Graphhopper. It has an Android client that uses its web service. You can also try out the web app.

Yes. Try it out at https://graphhopper.com/maps/

Open Source. The routing server is open source too and geocoding too.

GraphHopper might be an option as well.

Note that you can always submit a feature request here: https://github.com/graphhopper/graphhopper-maps/issues

I'm always on the lookout in this category. I prefer the KISS principle and avoid subscription bleeds. Recently found GraphHopper with a web interface and a Droid app.

There is even an experimental in-browser turn-by-turn navigation feature, which you can use with your local graphhopper service, but on a laptop you probably have no GPS and you have to use it from a phone (see the identical f-droid app for this purpose).

Photon by Komoot is also using Elasticsearch for validating addresses and locations.

Alternatively, you could run your own Photon API: https://github.com/komoot/photon

Open Source. The routing server is open source too and geocoding too.

To fully self-host a route planner (e.g. a "Google Maps" equivalent) you need GraphHopper for the routing and two other parts: you also need some visualization aka "maps" (e.g. with OpenMapTiles) and you need the address search (e.g. with Photon).

There exists photon, but I don't know if it's used in any libre mapping app.

Acastus-Photon is an Android app that allows you to search up any address or point of interest on OpenStreetMaps and open it in OsmAnd or any other maps app. It relies on photon as it's open-source backend server (provides elasticsearch for OSM), so you can either use a public instance or self-host. This allows you to have search functionality as powerful as Google Maps whilst being able to use solely open-source software instead.