Most Popular Sites for HOSTELS

AllStays And Hotels On The Web
Directory and discount (up to 70% off) reservations for over 80,000 worldwide hotels, bed and breakfasts, resorts, vacation rentals, campgrounds, lighthouses, skiing and haunted lodging.
www.allstays.com/

Flashbooking - BONUS 50€ WHEN YOU SIGN UP TODAY!!!!
Independent travellers! Flashbooking tailors your holiday and travels according to your needs, dreams and means! It's a new service that offers instantly confirmed online bookings in hostels and budget hotels worldwide!
www.flashbooking.com/