trabble - An app for self-guided, digital city and theme tours.
Wanderlog - Collaborative travel planner with combined itinerary and map
Hello - A friend showed this to me.
TripIt - TripIt is a travel app that creates a master itinerary to organize all of your plans for your vacation or work trip in one spot.
TripScout - Self-guided city tours from local experts
GateGuru - Check your flight status, find and explore airport amenities, book rental cars and track your travel stats all on the GateGuru app.