StreetComplete transforms missing OpenStreetMap details into nearby quests. You answer simple, on-site questions (often even offline) and StreetComplete uploads updates to OSM under your account.
CoMaps is a community fork of Organic Maps that delivers offline maps, offline search, and turn-by-turn routing using OpenStreetMap data. Its privacy approach includes location-service changes and a rewritten map delivery path, with options for self-hosting map servers.
Organic Maps enables offline maps, search, and turn-by-turn navigation using on-device data. Learn how offline tiles, POIs, and routing work together for hiking and cycling—without relying on the internet.