Eye2eye Britain
Offers virtual journeys to explore mainland Britain, including photographs, maps, and search features.
http://www.eye2eyesoft.co.uk/

Neohand
Selling downloadable Palm-compatible guides to cities around the world, restaurants, resorts, and more.
http://www.neohand.com/

TravelPlan
Helps manage all your travel plans.
http://www.travelplan.com/

TrekNepal
Sells a CD providing information on trekking in Nepal.
http://www.treknepal.org/