Leaflet is a separate project from OpenStreetMap - it's just one popular frontend for viewing tiles served from openstreetmap.org, like OpenLayers. I don't bel

Leaflet is a separate project from OpenStreetMap - it's just one popular frontend for viewing tiles served from openstreetmap.org, like OpenLayers. I don't believe the OSM Foundation has ever been involved in Leaflet development, as Leaflet development was supported in the past by commercial vendors of OSM data like CloudMade and Mapbox.