Maps

Emergency related maps and earth images

 * CommunityWalk.com disaster mapping
 * Frappr.com
 * Animal Rescue Network Transport volunteers
 * Disaster Animals Select Shelters & Rescues
 * Landfalling Hurricane Probability
 * Mutual Aid Map
 * New Orleans
 * ARNO Maps New Orleans
 * New Orleans District Maps
 * NOAA Weather Radio reception coverage maps

Free GIS Data

 * Diva-GIS - Free open-source GIS software, which is fairly good
 * Diva-GIS data- Free Diva-GIS data (shapefiles and Grid format)
 * ESRI Portal - Lots of links to free US and Canada GIS data
 * ESRI World Basemap data - Worldwide coverage, not always very detailed
 * Geography Network's list of clearinghouses
 * Geography Network data - May not be detailed enough for relief efforts

Free GIS Software

 * Diva-GIS - Fairly good, also supports grid data (e.g. altitude, population density)
 * JUMP Unified Mapping Platform - Free open-source GIS platform. A lot of styling options, also support for GML and WMS. Written in Java.
 * UDIG - User-friendly Desktop GIS] - Free open-source GIS software written with Java and the Eclipse platform. Currently on version 1.0.something, but the plug-in architecture has a lot of potential for nice features
 * MapWindow - Windows/.NET based open-source GIS

Geocoders

 * Geocoder.ca find the latitude & longitude of any Canadian address or postal code
 * Geocoder.us find the latitude & longitude of any US address
 * USC WebGIS Geocoder find the latitude & longitude of any US address in batch or interactively

Map and image collections

 * City Data
 * County Maps USA
 * Disaster Charter - Media Gallery
 * FEMA Mapping and Analysis Center
 * Perry-Castañeda Library Map Collection
 * Wikipedia:Category:United_States_maps
 * World Sites Atlas

Map APIs

 * Google Maps API
 * ProgrammableWeb Tag: mapping
 * Yahoo Maps
 * Yahoo! Maps Simple API
 * Yahoo! Maps Flash APIs
 * Yahoo! Maps AJAX API
 * Map Image API
 * Geocoding API

Map servers

 * A9 Street views
 * ABmaps
 * Frappr.com Friends Mapper
 * Geo-Names
 * Google Earth
 * Google Earth Community
 * Google Earth
 * Google Maps
 * Google Maps
 * Mapki wiki for Google Maps API
 * Map Builder
 * Mapquest
 * Mapquest
 * Mapufacture GeoRSS
 * MSN Maps
 * MultiMap USA Europe Australia
 * Placeopedia connects Wikipedia articles with Google Map locations
 * TerraServer-USA
 * TopoZone
 * Visible Earth - NASA.gov
 * Windows Live Local
 * Windows Live Local
 * Yahoo! Maps

Open Street Mapping resources

 * OSM Routing
 * http://wiki.openstreetmap.org/wiki/Routing

OSM online routers

 * OSM Routing/online routers - comparison chart
 * http://wiki.openstreetmap.org/wiki/Routing/online_routers
 * OSM YOURS - Yet another OpenStreetMap Route Service
 * http://wiki.openstreetmap.org/wiki/YOURS
 * http://www.yournavigation.org/ - waypoints, export route
 * OSM CloudMade Map
 * http://maps.cloudmade.com/
 * OSM MapQuest
 * http://wiki.openstreetmap.org/wiki/MapQuest
 * http://open.mapquest.com/

OSM Offline routers

 * OSM Routing/offline routers - comparison chart
 * http://wiki.openstreetmap.org/wiki/Routing/offline_routers

Misc map routing and planning software and services

 * Route planner
 * http://routes.tomtom.com/
 * Multiple Stops Routing + Fleet Tracking $$
 * http://www.trackroad.com/
 * Free Downloads: Delivery Routing Map
 * http://pcwin.com/downloads/Delivery-Routing-Map.htm