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.
Question2Answer - A Q&A site helps an online community to share knowledge.
Roadtrippers - The ultimate road trip planner to help you discover extraordinary places, book hotels, and share itineraries all from the map.
Stack Overflow - Community-based Q&A part of the Stack Exchange platform.
WorldMate - WorldMate is a travel app that helps individuals plan and organize trips. The app is available for Android and iOS mobile devices, and it is free to download and use.
The Answer Bank - The Answer Bank is the UK’s leading question-and-answer site.