MapWarper, developed by Tim Waters for the New York Public Library, has been adjusted to the Wikimedia environment. The tool lets users take scanned maps and place them in world coordinates.

➔ Wikimaps Warper in Wikimedia Labs
➔ Follow GitHub issues for Wikimaps Warper development

Any image in Wikimedia Commons can be submitted for georeferencing when the Map template is inserted in the file page.

➔ See the documentation for the Map template in Wikimedia Commons
➔ Follow the GitHub issues for the Map template

In 2016, Wikimaps Warper API was refactored. It is now possible to use Wikimaps Warper from external applications, or create an app in Wikimedia Commons that uses it.
➔ See the API documentation