FareCatcher - - Charityware from Spitting-Image Software. Proactively goes to the web to retrieve the lowest price fares for trips on the dates that you request.
PlanetWare Travel Encyclopedia - - Offers searchable tourist attraction data and an encyclopedia. Plan travel using 3,000 photos, 2,000 maps, and 50,000 descriptions.
Time Traveler - - Class Action provides handheld computer software for business travelers.