FreeGIS.org - Links to free software and data.

SpatialNews - News, features, career postings, events, and daily wire.

The Geographer's Craft Project - Global positioning system overview, written by Peter H. Dana.

GIS FAQ - United States Census Bureau - Frequently asked questions answered by the United States Census Bureau.

Political Maps - Selection of whole-world vector format maps in a range of scales.

GIS in Public Health - Provides information on the use of GIS in public health applications, from a 1998 conference.

Internet Parcel Look Up System - Allows visitors to locate parcel data for a number of municipalities in Virginia and North Carolina, United States, using a web-based GIS to query smart maps and data tables.

Geoplace - Website of multiple GIS and business related publications.

The Asian GIS Portal - News, articles and papers.

Platbook.com - Online and printed platbooks with 1044 platbooks covering 912 counties.

Geographic Information Systems - Introduction to GIS, by the United States Geological Survey.

EbullientGIS, LLC. - Intelligent Technology Solutions - GIS development and solutions firm, based in Redlands, California.

ESRI - Offers free software, online mapping and GIS training, demos, data, product and service information, user scripts, and related information.

McKay of Balnakeil - Virtual research group specializing in geographic information, remote sensing, and global positioning systems.

Centre for Advanced Spatial Analysis: GIS Timeline Team - A timeline reference outlining the history of GIS.

GIS Cafe - A resource for GIS professionals.

Physical Maps - Earth globes and world maps in a selection of projections and styles.

NaviCache.com - An online GPS Stash Hunt geocaching community and resource guide.

Official Global Positioning System Cache Hunting Site - A treasure hunting game. Armed with a global positioning system device and coordinates, locate treasures hidden by others.

LebanonAtlas - Online GIS portal for the middle East.

Geocaching Worldwide - About Geocaching, a GPS based treasure hunt.

GeoCaching - Geocaching site by Lunaria and Barracuda.

Earth Satellite Corporation - Uses GIS and satellite remotely sensed data for worldwide environmental monitoring.

Oregon Washington BLM GIS - Information on use of GIS technology to support resource management programs.

Terraswarm - Independent geographic technology research collaborative.

Earthmaps - Data, travel maps, recreation, and earth science applications.

GIS Case Studies - Examples of United States and Canada raster and vector GIS projects.

Digital Terrain Mapping - Information to transform United States Geographic Survey digital mapping data to 3D renderings.

Erin Stockenberg's GIS and Conservation Site - Alaska and wetlands data and information links.

GeoCommunity - Data downloads, news, software tools and utilities.

Imagery Analysis Support Site - Online resource for imagery and GIS analysts.

Geoversity - A resource site for geography and GIS.

Inforain: GIS Mapping for the Rain Forest Coast - Watershed, estuary and forest information for the North American coastal temperate rain forest bioregion.