GIS Directory Listing including lists of GIS software vendors, GIS organizations, GPS, remote sensing, free GIS data, and so on.

A comprehensive catalog of scientific resources and media worldwide but especially in German and English: Directories of Cartography Journals; Cartography-related catalogs of scientific search engines;additional starting points and sites of special interest.

Links to maps, spatial data, and other items related to geography.

Gateway to the world of hydrologic modeling, GIS, GPS and remote sensing.

Links to catalogues of map collections and archives.