OSM map of Vanuatu by Computerteddy
OSM maps of Guadeloupe focusing on Error detection
ReiseRadKarte's cycle map of the Netherlands based on OSM data
Very nice and completely routable maps based on OSM data by Lambertus
OSM maps of Bahrain focusing on Error detection
This is a collection of nice topographic maps from Afghanistan. They feature roads, rivers, settlements, POIs and contour lines. They also provide english transliteration of the names.