Dineoutcheap - Gives diners a fast and easy way to find deals.
Perfect World Clock - Provides easy access to the time in hundreds of cities adding several clocks as home screen widgets.
The Weather Channel - View current weather, hourly, 36 hour and 10 days forecasts.  Will forecast weather throughout the United States.
Tipulator - Makes tipping easy even with split bills.
Pin Drop - Allows users to drop GPS pins onto a map while traveling of interesting spots or review user made lists recommending the best sights, sounds, and flavors in town.
TripAdvisor - Honest reviews of hotels, restaurants, attractions, and more.
iMovie - Provides best option to shoot and send videos back home. Soundtracks and shot transitions can be dragged and dropped to create movie postcards.
Zagat - A guide to discovering the best restaurants, bars, cafes and clubs.  Started with nine cities (Austin, Boston, Chicago, London, Los Angeles, New York, Philadelphia, San Francisco, Washington DC) with more on the way.
Hailo - Uses cell phone’s GPS to make cabs come to the user.   Available in six US cities/15 worldwide.
Livingsocial - Find 50% off restaurant offers.
ExpertFlyer - Get notified when seats become available.
Trip Journal - This virtual travel scrapbook will also create maps of your various explorations as long as your GPS in turned on, geo tagged with pictures, videos, and notes.
MoneyPass - Access locations of over 20,000 surcharge free ATMs either by entering an address, a zip code, or using your current location. 
FlightAware - Track your flight by entering your airline and flight number and receive updates on flight delays, gate changes, and/or cancellations.
Knapsack - Plan your trip and later share memories.