Booking.com, one of the largest global travel sites with more than 29 million listings.
Vrbo specializes in vacation rentals of all types: houses, apartments, condos and villas.
HomeToGo is a large search engine offering vacation accommodations around the world.
Holidu is a search and booking platform for vacation rentals to find the perfect accommodation.
TripAdvisor the large travel platform that helps planning and booking the perfect next trip.