| Indexes and Other Directories to GIS-related sites |
| General Geography Sites |
| Universiteit Utrecht |
| GeoAfrica - Directory of African Earth Science Resources |
| GIS, Jobs, and Related Technologies |
| Cool Interactive Mapping Sites - Recommended by MassGIS |
| GIS.COM - Great introduction to GIS |
| Geography Network - A global network of GIS users and providers |
| GeoData.gov - U.S. Maps and Data |
| EOEA Community Preservation Map Gallery |
| USDA-NRCS Geospatial Data Gateway - Natural Resources and Environmental data |
| GIS Resources - History of GIS and other resources |
| GIS DataFinder- Search for GIS data, from UNC University Libraries |
| HDM Great GIS Net Sites Index - The GIS Portal! |
| GISLinx.com - Categorized List of GIS Sites |
| GIS Monitor - "The Ultimate Map/GIS Directory" |
| Best of the Web - Geographic Information Systems |
| GISuser.com - GIS & mapping news, jobs, software, data, education, and forums |
| State GIS Data Resources - From University of Oregon Libraries |
| State Data Centers and Clearinghouses - From GeoBlog |
| Websites for Digital GIS Data & Resources |
| GIS Library at MIT - See "Spatial Data" links for US and world |
| GISPilot - A virtual library of GIS links and related data (all 50 states and international links) |
| FreeGIS.org - Links and overviews of free GIS software, data, and other resources |
| List of State Geological Surveys |
| Standford University Web Sites for Digital GIS Data |
| University of Western Ontario |
| University of Edinburgh GIS WWW Resource List |
| GIS in Europe: Problems and Potential |
| The GIS Jobs Clearinghouse |
| GISjobs.com- Employers and job seekers post and edit ads and resumes |
| GIScareers.com- GIS job ads and resumes |
| GIS.com - Find a GIS Job |
| GeoSearch- Personnel recruitment firm specializing in the geospatial sciences and technologies. |
| My GIS Jobs- GIS Job Listings |
| Australian Centre of the Asian Spatial Information and Analysis Network |
| GIS Infrastructure for Asia & the Pacific |
| GeoPlace - News, job listings, plus MUCH more |
| Library of Congress Map Collections |
| Harvard Geospatial Library |
| Open Geospatial Consortium, Inc. (OGC) |
| GEO-STAT - Interactive Maps for USA and Canada |
| ACME Mapper 2.0 - Google Maps-powered viewer with USGS Topo maps and DOQs, and NEXRAD imagery |
| AvisMap GIS Technologies - GIS focused software products and software development tools |
| NASA Worldwind |
| GeoCommunity - GIS data, news, and more |
| GIS Data Depot - Free, worldwide GIS data |
| SpatialNews.Com - Daily news and resources on GIS |
| GeoCommunity Forum - Discussion forum for GIS Q & A |
| U.S. EPA Zip Code Search |
| USGS National Mapping Information |
| National Atlas |
| GoMMap - Gulf of Maine Mapping Portal |
| Farmland Information Library GIS/Maps |
| GeoStrategies - GIS data and services, overseas |
| TatukGIS - Maker of the TatukGIS Developer Kernel, a comprehensive GIS development toolkit, and a free GIS viewer |
| State Plane to Latitude-Longitude Coordinate Conversion |
| UTM to Latitude-Longitude Coordinate Conversion |
| Corpscon Coordinate Conversion Software |
| Spatial Reference - Find your references in any number of formats! |
| Geomagnetic Field Synthesis Program - Compute the difference between magnetic and true North. |
| DEMIS World Map Server - Online mapping, worldwide |
| David Rumsey Collection - GIS and Historical Maps Online Mapping Application |
| Pelagic GIS Group - New England Aquarium's Marine GIS Research |
| Manifold.Net - Free Maps and GIS Data |
| HUD E-Maps - Site-specific maps on environmental hazards |
| HRSA Geospatial Data Warehouse - Health Resources and Services Administration data and interactive maps |
| Geoscience Information Services - Free ArcView and ArcGIS Newsletter |
| GlobeXplorer - Free online map viewer, with aerial photos |
| MapSymbols.com - The Unofficial Arc/Info & ArcView Symbol Page |
| UMass Extension NREC - Natural Resources and Environmental Conservation |
| Map and Geography Library at U. of Illinois at Urbana-Champaign |
| Directions Magazine - Your GIS News Source |
| GPS User Magazine - Web-based publication for people who use GPS technology in their work. |
