All Backpackers Australia
Index of backpacker hostels in Australia.
http://www.allbackpackers.com.au/

Backpack in Africa
Budget accommodation guide to the continent.
http://www.backpackinafrica.co.za/

Bacpackers Hostels Canada
A network of independent hostels across Canada.
http://www.backpackers.ca/

Backpackers UK
Online guide to independent backpacking hostels in the UK.
http://www.backpackers.co.uk/

Banana Bungalow
Safe, clean hostel accommodation with a friendly and socially interactive atmosphere in six locations across the United States.
http://bananabungalow.com/

Barnacles
Budget hostels in Dublin and Galway.
http://www.barnacles.ie/

Base Backpackers
State-of-the-art hostels, cafes and bars in Australia and New Zealand for the backpacker crowd. The hostels include women-only floors.
http://www.basebackpackers.com/
http://www.basebackpackers.com/sanctuary.htm

BootsnAll
Research and book hostel accommodation worldwide.
http://www.bootsnall.com/

Budget Backpacker Hostels
Locations, descriptions, prices and pictures of 290 BBH hostels throughout New Zealand.
http://www.backpack.co.nz/

BudgetTravel.com
Search for hostel or other budget accommodation worldwide.
http://www.budgettravel.com/hostels.htm

Curious Cat Lodging Connections
International budget accommodation booking site: options include youth hostels, hotels, hostel bunk rooms and private rooms.
http://curiouscat.com/travels/lodging.cfm

European Union Federation of Youth Hostel Associations
The European voice of youth hostelling.
http://www.eufed.org/

Europe's Famous Hostels
Features 15 of the finest hostels from 13 different European countries, along with customers' reviews of them.
http://www.famoushostels.com/
http://www.europefamoushostels.com/

Eurotrip
Hostel reviews posted by fellow travellers.
http://www.eurotrip.com/hostels/

Facebook
The social networking site's Hostels App allows you to log past, current or future stays in hostels and rate and review your experience.
http://apps.facebook.com/hostels

Famous Hostels
Book highly rated hostels across Europe.
http://www.famoushostels.com/
http://www.europefamoushostels.com/

Gap Year.com
Download a free backpacker hostel fire safety guide. In PDF format.
http://www.gapyear.com/downloads/advice_firesafety.pdf

GuideforEurope.com
A guide to unique hostel accommodation all over Europe.
http://members.shaw.ca/guideforeurope/castlehostels.html

GuideforEurope.com
European hostel and hotel reviews.
http://members.shaw.ca/guideforeurope/hostels.html

Holiday Watchdog
Selected hotels and hostels reviewed by guests. The site encourages visitors to post videos of resorts or accommodation they have stayed in.
http://www.holidaywatchdog.com/

Hostel 639
London budget accommodation group with five hostels in London.
http://www.hostel639.co.uk/

Hostel Bookers
An independent hostel booking site that guarantees low rates and no reservation fees.
http://www.hostelbookers.com/

Hostelling International
Hostelling International is the brand name of the International Youth Hostelling Federation. The organization represents more than 90 Youth Hostel Associations in over 80 countries, operating 4,000+ hostels.
http://www.hihostels.com/
http://www.iyhf.org/

Hostels.com
International hostelling resource where you can get news about, search for and book hostels in all corners of the planet.
http://www.hostels.com/

Hostels.net
Search for and book independent hostels worldwide.
http://www.hostels.net/

Hostels Central
Online booking of hostels and budget hotels worldwide.
http://www.hostelscentral.com/

HostelsEurope.com
Enjoy discount accommodation with a Hostels for Europe card.
http://hostels.iserver.net/cgi-bin/SoftCart.exe/scstore/shophome.html?E+scstore+1457

HostelsEurope.com
European hostelling and budget travel portal.
http://www.hostelseurope.com/

Hostelz
Read professional and amateur reviews of hostels on this huge global database.
http://www.hostelz.com/

Hostelworld.com
Secure and confirmed online reservations of hostels in 100's of cities worldwide.
http://www.hostelworld.com/

Independent Hostel Guide
Online guide to independent hostels, bunkhouses, backpackers hostels, outdoor centres, barns, bunkbarns and camping barns throughout Europe.
http://www.independenthostelguide.co.uk/

Inn26.com
Provides links to the websites of thousands of hotels, motels, bed and breakfasts, apartments, hostels, cottages and campsites all over the globe.
http://www.inn26.com/

Nomads World
Become a member and receive extra value on everything from hostel accommodation to discounted backpacker tours all over Australasia, as well as selected discounts in Canada, UK, Thailand, Indonesia and Vietnam.
http://www.nomadsworld.com/

SameSun
Backpacker lodges that offer you the chance to taste Canada's outdoors, from skiing and snowboarding in Banff to soaking up the sun in Vancouver.
http://www.samesun.com/

St. Christopher's
Over a dozen hostels in eight popular European locations.
http://www.st-christophers.co.uk/

Stilwell's
Search for holiday cottages, bed and breakfasts, camping sites and youth hostels nationwide.
http://www.stilwells.co.uk/

Student Advantage
Student Advantage is a resource for college students to save money on purchases everyday. You can use your Student Advantage Card to make savings of up to 50%.
http://www.studentadvantage.com/buyandsave/

The European Hostel Cooperation
The EHC is a network of 20 hostel companies running over 50 different hostels all over Europe.
http://www.gomio.com/HostelServices/

Total Hostels
Total Hostels offers hostel listings worldwide with full address, email and telephone details, to help ensure you get that last-minute deal you are looking for.
http://www.totalhostels.com/

Travel Stay.com
Reserve rooms in budget hotels, hostels, university accommodation and studios in the UK at discounted prices.
http://www.travelstay.com/

Travel Ys International
Book a youth hostel anywhere in the world online.
http://www.travel-ys.com/

Trip Mojo
Allows you to search for hotels and hostels worldwide using either keywords or maps.
http://www.tripmojo.com/

VIP Backpackers
Offers a backpacking discount card: enjoy cheaper hostel stays, bus rides, flights, tours and adventure activities. The site also features 1,200 hostels in 80 countries worldwide.
http://www.vipbackpackers.com/
http://www.backpackers.com.au/

Way Out West Backpacking.co.uk
Independent backpacker hostels in Southwest England.
http://www.wow-backpacking.co.uk/

YMCA/YWCA
Internet-based listing and on-line central reservations service for YWCA and YMCA properties internationally. Contrary to popular belief, these budget accommodations are accessible to more than just YW and YM members. And they now offer hundreds of centrally located, well managed, clean and secure properties worldwide, catering to all types of traveller - male and female, young and old, single and married, families, backpackers, business people, groups and more.
http://www.travel-ys.com/