Technology
Decoding NMEA Data
- Guide to NMEA sentences in GPS
Snaptrack
- Assisted GPS technology. A Qualcomm company.

Devices
Benefon
Byonics Tinytrack
Emtac Bluetooth GPS
Garmin
Magellan
Navman
Navtrak-CoPilot
Thales
Trimble

Software
Accord's NMEA Toolkit
APRS-Tinytrack
- APRS for Ham radio (in Dutch)
Freeware GPS Diagnostic Program
GARtrip
- Windows PC shareware program for Garmin and Magellan GPS receivers
GPSBabel
- Freeware which converts and manipulates GPS files and information
GPSCookie
- GPSCookie, A2B's own special free GPS software
GPSDash
- Shareware GPS software
GPSS
- Free (for personal use) GPS-based mapping and navigation software
GPS Utility
- A program for manipulating GPS information

Enthusiast Sites
GPS Passion
- GPS portal and information site
GPS Tracking with Nextel Phones
Pocket GPS World

Geocode.com
- TeleAtlas geocoding products
JeEep.com
- Coordinate Translation
Latitude & Longitude Lookup
- Look up latitudes and longitudes of major cities around the world
TravelGIS.com Geocoding
- Free geocoding service for 18 countries

Geocaching.com
- GPS-based treasure hunts
Geocaching Information
- Information on geocaching from GPSS

City Simulator
- IBM Alphaworks software simulating movement of up to 1 million people simultaneously
GDF Introduction
- Introduction to Geographic Data Format standard.
Manifold Software
- GIS software.
Mapinfo
- GIS vendor
Mapserver
- Open-source GIS software
MIT Orthoserver
Spatialnews
- Mapping, GIS, GPS and LBS news
TatukGIS
- GIS software vendor
What is GIS?

General
3GPP
- 3rd Generation Mobile Telephony Standards Body. Includes LBS standards work for 3G mobile phones
LBS Portal
MobileInfo.com
- Explanation of Location-Based Services concepts
Mobile Positioning
- Overview of mobile positioning technologies
Applications
Blogmapper
- "Map your blog and blog your map"
GeoCoord
- Free worldwide waypoint repository
Geotags
- Location-Based Search Engine
GeoURL ICBM Address Server
- Location-Based Search Engine
Getty Thesaurus of Geographic Names
- Online database of thousands of placenames
GPSter
- Public online GPS waypoint database
GPS Waypoint Base
- Online database of GPS waypoints
MegaCarta
- Search for text documents by geography
MLBS.NET
- Mapping and route-finding service for your mobile device
POI-Handler
- Site for exchanging points of interest from GPS navigation systems
UpMyStreet
- UK-based neighbourhood guide service
Wayfinder Mobile Navigator
- Navigation on a mobile phone
WiFinder
- Worldwide Wi-Fi hotspot directory

Alexandria Digital Library Gazetteer Server
Findmap
- Estimates your position by your IP address and displays on a map
Maporama
- Mapping and directions for many different countries, with latitudes and longitudes at the bottom of maps.
MapZone
- New Zealand online mapping service
Multimap
- Maps of many different countries in the World - zoom in down to street level. With latitudes and longitudes underneath the maps.
Ordnance Survey
- The United Kingdom's national mapping agency
USGS GNIS
- US Geographical Service Geographic Names Information Service. Includes online database queries

Decimal Degree Conversion
- How to convert between decimal degrees and degrees, minutes and seconds.
Different Degree Formats
- Explanation, Resolution and Conversion
Earth According to WGS84
- Explanation of WGS84 datum and degree distances at different latitudes
Geodetic Datum Overview
- Overview of geodetic datums
Latitude and Longitude History
- History of Latitude & Longitude and explanation of coordinates
As the Cocky Flies
- Calculates the distance between two places in Australia, and explains how the distance is calculated