Airbnb - Book unique places to stay and things to do.
Boatsetter - Rent a boat, with or without a captain. Powerboats and sailboats, anywhere in the country.
Travel to Live - Live to travel. Travel to Live!
Sailo - Airbnb for boats
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.
GetMyBoat - Book boat rentals, charters, tours, and lessons in 171 countries around the world.