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
Metro Maps- Find you way through complicated metro in major cities. The developer is currently giving away 3 metro city maps from major cities. I'm sure more maps will be available as his work progresses with the development of the software. The software works great with my blackberry, so far I was able to test out the New York Metro Map
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
gps2go- sends your current GPS coordinates using your BlackBerry device. Upload pictures, send a map to a friend, create groups to allow group tracking that expires after a specified dime. Your phone will capture your GPS position every 5 seconds and transmit them, at a user specified interval, for viewing on Google Map
aiSpot is a professional application that greatly expands your mobile phone’'s GPS capabilities. Once turned on, aiSpot constantly monitors the available GPS Satellites and updates 13 essential parameters of your trip
London DK Eyewitness Top 10 Travel Guide & Map (BlackBerry)- From the top 10 ways to experience Royal London to the top 10 shops, pubs and hotels - this guide features the insider knowledge that every visitor needs, plus London maps and metro maps.
Capture the essence of London, from shopping in Harrods to the Changing of the Guard at Buckingham Palace
GPSed Pro- is a service for trip tracking from mobile. In real time tracks are traced on Google maps and stored in an online archive. With a simple geotagging feature it is possible to pin photos to a map precisely at a place they were taken
Garmin Mobile for US & Canada- transforms your BlackBerry into a fully functional GPS navigator. Garmin Mobile gives you detailed maps of the United States and Canada, voice-prompted turn-by-turn directions and access to nearly six million points of interest (POIs)