1.streetcomplete / StreetCompleteEasy to use OpenStreetMap editor for Android and iOSopenstreetmapsurveymappingeditorosmandroid-app+2 moreKotlinGPL-3.05.1K total479 forks+33 starsfrom 5,100 · score 3.53
2.Helium314 / SCEEOpenStreetMap surveyor app for experienced OSM contributorsKotlinGPL-3.0259 total28 forks+1 starsfrom 258 · score 0.69