Google Maps
Obtain driving directions and much more.

Magellan GPS Products
Manufacturer of GPS receivers and related products.

Map Quest (Maps and Driving Directions)
Obtain driving directions from one location to another.

Mega GPS The Online GPS Superstore
Offers Garmin GPS units and accessories at substantial discount. My own experience with them has been excellent. Screen Reader usable, but not especially friendly.

Tractive Dog and Pet Tracker
Allows you to track your pet world wide using GPS technology.

What 3 Words
This system allows any location to be described using only 3 words. These may be easily remembered and passed to any other person. They may be than used to locate a specific location on a map. An app is available for most smart phones.