From OpenStreetMap Wiki
- see the tag Key:wikipedia to add a reference to a Wikipedia article into an OSM feature
- see Collaboration with Wikipedia for the relationship between Wikipedia and OpenStreetMap projects
- see Welcome to Wikipedia users for a summary of differences between OSM and Wikipedia, aimed at Wikipedians who are new to OSM
- see Wikidata and Collaboration with Wikivoyage for the relationship to Wikipedia's sibling projects
- see Multilingual maps Wikipedia project for multilangual OSM maps provided by the Wikipedia project
- see JOSM/Plugins/wikipedia for a JOSM plugin about Wikipedia tagging edition.
- see Wikimania for the wikipedia (& wikimedia) conference and OSM involvement in it
- see Wikidata+OSM SPARQL query service to validate Wikidata and OSM databases against each other.