With Locify you can explore interesting places near you from Wikipedia, seek for geocaches, display map where you are (or you want to go), twitter your location, save interesting places from phone or web sync them and even navigate to them... and much more.
Locify is free application for common mobile phone
Google Maps - I'm always lost when it comes to working a GPS guidance system, to those who just want a simple map system would be the best. An answer to my prayer cam when google finally released Google Maps and Local for the Blackberry.
It currently does not work for all blackberry models but only the lastest ones
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
GPSLogger is a pretty straightforward application. It records your physical movement on your BB device over time, including elevation, speed, and some additional data. GPSLogger can also direct you to a location that you either entered manually or have previously recorded
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 is your free guide to public transport systems worldwide (about 400 cities covered now).
· Fully assisted station search (various lists selection or text entry options)
· Station list for each line
· Recently used stations history
· Operating hours management (in selected cities)
· Places of interest: tourism, night life, ..