PhotoSynth - Enables users to take awe inspiring panoramic pictures in an instant and is fully integrated with Facebook.
EveryTrail - Track, share and explore.  Plot your trip, photos, and video right on the map and upload it to EveryTrail, Facebook, and Twitter.
XE Currency - Quotes live currency rates.
Where To? - Enables user to locate almost anything nearby, including the nearest ATM, burger joint, and medical provider. 
Instagram - Coverts photos into works of art. Instagram gives photos professional, antiquated, or artistic looks. It makes sharing pictures across social media networks easy.
Groupon - Find 50% to 70% off restaurant offers.
FlightTrack - Follow international flights with detailed information on departure gates, delays, and cancellations.
Evernote - Take notes, capture photos, create to do lists, record voice reminders, and make these notes completely searchable. Users can combine and share travel notes.
RoadNinja - Always know what is coming up at the next exit and compare gas prices at upcoming exits.
mTrip - Provides travel guides around the world, offline maps & navigations, personalized itineraries of visits, and trip journal and sharing.
JetLag Genie - Gradually alter your sleep habits before a trip to better deal with jet lag.
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.
Yelp - Find places to eat, shop, drink, relax, and play and read reviews from knowledgable locals.
Tipulator - Makes tipping easy even with split bills.
Touchnote - Send real postcards using cell photos.