This document provides an overview of OpenStreetMap (OSM), a collaborative project to create a free editable map of the world. It notes that OSM was founded in 2004 and is run by the OpenStreetMap Foundation. Volunteers contribute geospatial data under an open license. The document encourages contributing location data using a GPS device and app. It highlights opportunities to add or improve metadata for places. It also discusses why OSM data could be useful for Wikimedia projects like Wikiversity and Wikispecies.