| ClearMaps: GIS Directory Listing including lists of GIS software vendors, GIS organizations, GPS, remote sensing, free GIS data, and so on. |
| Colorado's Portal: Categories for employment, internships/volunteering, data, events, education. |
| GIS Landbase Information and Data Links: Lists national, regional, state and local sources for landbase related information and data. |
| GIS Portal: A GIS resource with about 650 links. |
| LLEK Bookmarks Scientific Search Engines: Lists German and English GIS resources. |
| MapDawg's GIS: Links to maps, spatial data, and other items related to geography. |
| Spatial Hydrology: Gateway to the world of hydrologic modeling, GIS, GPS and remote sensing. |
| The GIS Notebook: A complete list of GIS web sites. |
| The World of Maps: Links to catalogues of map collections and archives. |
| Useful Resources for MapInfo Users: Directory of GIS-related links. |
| Web-Mapper Online Mapping Resource: Portal containing GIS and mapping news and links. |
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