A number of very useful apps are free and available on one or more system e.g. Android, iOS, Windows Phone or BlackBerry.
WAZE APP: Link with your hosts have to follow your whereabouts live and gauge your E.T.A. It provides real-time intelligence and alerts on speed traps, traffic tie-ups, and other hazards.
HOTELS.COM defaults to hotels near you and those that are available for the night. Info includes ratings of properties by former guests. You can make a reservation through a “call” button.
ROADTRIPPERS can help you find both tourist attractions and offbeat destinations for more than 75,000 places.
FIELD TRIP (Google) runs in the background on your smartphone. Pre-select your interests and a card pops up with information when you are driving near a cool or interesting local attraction.