Airport Abbreviations DB - The Federal Aviation Administration provided the data for this useful dbNow Reference Database of airport abbreviations for U.S. airports.
This information is especially handy when you're using an online travel site and want the quick way to plan a flight
Weather Calculator for Palm OS converts temperature, wind and pressure and calculates wind chill, heat index, relative humidity and standard atmosphere.
Tables of Fujita Tornado Scale, Saffir Simpson Hurricane Scale and Beaufort Wind Force Scale
Travel Planning DB Design - Have you ever packed your itinerary in your suitcase or left your travel folder at the office? This easy to use database design lets you put all your pertinent travel information from flight times to hotel confirmations to car rental information at your fingertips
GPS Point2Point Calculator allows you to calculate distance and bearing between two GPS coordinates.
You can choose to display distance in meters, kilometers, feet, miles or nautical miles.
Furthermore you can select if calculations should be based on True Bearing or Rhumb Line Bearing
wthrcalc has four different weather related calculations.
Wind chill - relative humidity - F to C, C to F - and heat index.
The Wind chill has both the old formula (named aeronautical since it was told to me that it was more for wing icing and such on air planes so it is based on 9 meters up), and the new formula (named civil for feet planted on ground)
Call-bo is the new (and only) business and services guide of Israel, in the Hebrew Language (requires Hebrew support, of any kind, installed on your Palm OS device).
It is very useful for residents of Israel, for it includes thousands of businesses and services in hundreds of categories
Outlook Weather - Always have current forecasts for one or more locations on your Palm in a concise, easy-to-read format (but with actual prose forecasts, not those two-word psuedo-forecasts) using no additional software