OpenStreetMap Foundation
OpenStreetMap is a free, open contribution and editable map of the entire world built by a volunteer community of mappers that contribute and maintain data about roads, trails, cafés, railway stations, and much more.
We recently migrated our infrastructure to Debian to advantage of Debian's care to its packages and open availability of Developers. For more information about the move check and a peek behind the scenes, check out our Interview on the Debian Blog.