GetYourGuide: 관광 투어 & 액티비티 티켓
GetYourGuide
izi.TRAVEL: Get a Travel Guide
Informap Technology Center
Sightseeing Pass Travel Guide
Mission Communications Ltd
KSC SmartGuide
Fluxguide
Visit Singapore Travel Guide
Singapore Tourism Board
TripIt: Travel Planner
TripIt, Inc.
Visit A City