Sygic Travel Maps - Itinerary planner for independent travelers
Airbnb - Book unique places to stay and things to do.
Plip Trip Planner - Imagine having all of your travel arrangements organized in one, easy to read itinerary.
Passporter - Passporter is the tool that helps travelers in all phases of a trip through a community that helps you travel better by making your trip an easy, simple and orderly experience.
Wanderlog - Collaborative travel planner with combined itinerary and map
PadMapper - A free tool to help you find an apartment or sublet to rent.