Both imagery and other raster data that is useful for mapping are within scope of the project. This list is purely targeted at OpenStreetMap and does not include layers only useful for other projects ...

A unified layer index for OSM editors. Contribute to MaelREBOUX/osm-editor-layer-index development by creating an account on GitHub.

MapBox has unveiled iD, a new and fast editor for the OpenStreetMap data project. Built using JavaScript, it will help make contributing to maps better.

Mapbox’s original business model was to create customizable layers on top of raw data that came from OpenStreetMap, the non-profit foundation dedicated to providing open sourced geospatial data ...