GeoHack – Toolserver wiki
“GeoHack is a modified version of the map sources from the gis extension by Egil Kvaleberg. It is designed to do simple HTML replacements of a template on Wikipedia and serve it to the client. It is used by Wikipedia for provide links to various mapping services”
Go to wiki.toolserver.org/GeoHack to get a form to enter lat./long. – displays loads of links to mapping and other geo resources for the location given.
WikiProject Piste Maps – OpenStreetMap
Open source piste maps! Part of the Open Street Map initiative.
Posted from Diigo. The rest of my favorite links are here.