By partnering with professional networking group LinkedIn (which has more than 30 million members worldwide), TripIt.com has solidified itself as a leading trip management tool for business and leisure travelers. TripIt puts an end to the annoying search for your flight, hotel, train, cruise and car rental confirmation numbers by building a master itinerary that contains all your travel info, maps, weather, restaurants and more. You can access the free service from e-mail, a personal calendar or a mobile device.