1.streetcomplete / StreetCompleteEasy to use OpenStreetMap editor for Android and iOSopenstreetmapsurveymappingeditorosmandroid-app+2 moreKotlinGPL-3.05.1K total479 forks+102 starsfrom 5,031 · score 4.63
2.Helium314 / SCEEOpenStreetMap surveyor app for experienced OSM contributorsKotlinGPL-3.0259 total28 forks+8 starsfrom 251 · score 2.20