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.
Sygic Travel Maps - Itinerary planner for independent travelers
Traveler Buddy - Travel Itinerary Management.
Travelchime - Google Docs for planning your trips with friends.
Tripify - Travel guides, planning, notes, expenses. Plan your itinerary in details, the way you want.
Wanderlog - Collaborative travel planner with combined itinerary and map