Tripadvisor - The Tripadvisor mobile app is available for the Android and iOS platforms. It can be used to create reviews of hotels, restaurants, and to chat with other travelers on Tripadvisor forums.
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.
NetBuddy - Netbuddy is a virtual network operator for a mobile device.
Sygic Travel Maps - Itinerary planner for independent travelers
Wikivoyage - the free worldwide travel guide that anyone can edit.
Roadtrippers - The ultimate road trip planner to help you discover extraordinary places, book hotels, and share itineraries all from the map.