StreetComplete
streetcomplete.app
OpenStreetMap surveyor app

Currently there’s only 3 big players when it comes to maps. You’ve got Google, Apple and Microsoft.

Let’s try to make OpenStreetMap the best map there is. Go grab StreetComplete and start mapping your surroundings when you’re out and about.

All the data is under a public license and managed by a non-profit foundation in the UK.

It’s very easy to get started, and quite addictive.