Wizi- lets you send an SMS with link to an interactive map with your current location. Its free to use but requires you to have a data connection.
Wizi is a free mobile application that allows you to share your location instantly by SMS and E-Mail. Use Wizi to tell a friend where you are now or where you are going to meet
WorldMate Live Gold Annual Subscription-Keep a personal travel assistant in your pocket! WorldMate Live will manage your full itinerary, including travel arrangements and business meetings, making all details immediately accessible on your mobile device, and ensure a smooth trip by pushing alerts regarding imminent events like flight delays
HelloWorld Browser let's you browse Google Maps on your handheld. You can search for a location, search for directions, find a business and view satellite imagery. An essential tool for the professional on the go. Never be lost again!
You can trial HelloWorld for free, so please try before you buy