Consolidators
Asia, Europe, North America, 4HotelsNow.com, Accommodation Line, All-hotels, Allrez.com, Bookings.org, CheapestDeals.com, CNG Hotels, HolidayCity, Hotel Conxions, HotelGuide.com
Directories
4Vacationing.com, All World Vacation Station, Boutique Hotels of the World, Inc., Discount Hotel Resort, Five Star Alliance, Holiday Lettings, Hotel Links Search System, HotelGuide.ch, HotelShark, Inn Log.Com
Home Exchanges
Aha!Go, Blue-Home, Home Exchange International, HomeInvite.com, Intalet Holiday Home Exchange, Interline Homeswaps, International Home Exchange Network, International Innkeepers Exchange, Prof2000, The Traveler Exchange
Hospitality Clubs
Artist Couch Exchange, Couch Surfing, Friendship Force, Global Freeloaders, Hospitality Club, Hospitality Exchange, International Police Association, Lesbian & Gay Hospitality Exchange Internation, MeetURplanet, Pasporta Servo
Hostels
Africa, Asia, Booking services, Caribbean, Central America, Europe, Middle East, North America, Oceania, South America
Spiritual Retreats
United Kingdom, All About Retreats: Referral and Information Servi, Find the Divine, Retreat Finder, Retreats Online, Sacred Passage and The Way of Nature Fellowship, Sammasati Seminars, Sedona Spiritual Retreats, Tend and Befriend, A Women's Weekend Retreat, Women's Spirit Center