this post was submitted on 14 Feb 2026
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CoMaps
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Cooperative community open-source fork of Organic Maps, an offline privacy-respecting not-for-profit OpenStreetMap GPS app for your phone.
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Pretty sure Magic Earth uses several databases.
Do they publish a list anywhere? I'd love to see what they're using and see if I can get it into CoMaps somehow
https://www.magicearth.com/third-party-licenses
Yes this is what I was looking for, thanks!
Now is there any way to add this data to comaps? Specifically address data?
I don't know, I'm not a developer. Looking at some of those databases, some of them are obviously open and others are paid licenses that the community probably can't afford.
Looks like they use both Open Addresses and NAD, a government-provided address database. Both appear free to download, but I don't know how easily it could be actually integrated into an app as I'm assuming that would require some time of API or something. I am also not a developer, just trying to figure out the best solution for navigation without giving all my data to Google. I did notice there's a "Custom Map Server" option in CoMaps settings, so maybe I could manually add something there? Not sure how that works though and maybe that overrides the default database instead of adding to it.