Hostels.com
Every hostel in the world - more than 20,000 youth hostels worldwide. book now & pay no booking fees. world's biggest hostel database.
http://www.hostels.com/
Stayokay
Stayokay is a chain of 30 hostels situated in some of the most beautiful places in the netherlands. the hostels are housed in truly unique buildings a
http://www.stayokay.nl/
YHA (GB)
Cheap accommodation with private or family rooms at over 200 city, coast and countryside uk locations. wild, remote or action activities throughout england and wales.
http://www.yha.org.uk/