Reco - Book recommendations from people you trust

TravelPeri - Find top tourist attractions to explore, with travel times!

Wanderlog - Collaborative travel planner with combined itinerary and map

Roaded - Travel journal and road trip planner - create beautiful interactive travel stories, sell travel...

Travelchime - Google Docs for planning your trips with friends.

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.