People

• Joseph Wu's origami.as
  good starting point if you are new to origami

• Gilad's Origami Page
  lots of nice origami book reviews, photos and models, including Jodi Fukumoto's Hawaiian-inspired designs
  

• Robert J. Lang
  science and art of modern origami sculptures

• Origami Club
  lots of simple origami models, print patterned origami paper.
  Test fold the models before you teach a class; many have judgement folds which may prove difficult for young ones to find.

• Sara Adams (video diagrams)
  easy to follow YouTube videos of origami models, featuring traditional and modern models
  

• Anne's Origami Books
  on-line catalog of the books and Origami materials in Anne LaVin's personal collection, lots of Japanese books & ISBN numbers
  
  
• Michael G. LaFosse and Richard Alexander's Origamido Studio
  simple to complex origami diagrams of DVD and books; outstanding origami teachers and teaching papermaking studio
  
  
• Michael G. LaFosse Origami Videos on Activity TV

• fold along with Michael as he teaches different beginner to expert origami models on a video
  
  
• Origami Resource Center
  Diana Lee provides links to online diagrams, databases and book reviews
  
  
• The Paper Airplane with Origami Technique
  Takuo Toda, current world record holder for longest paper airplane flight, provides eight paper airplane diagrams and adjustment tips for your finished airplane
  
  
• The Lister's List
  British Origami Society's links to origami historian, David Lister's, essays
  

Organizations

• OrigamiUSA
  Search for local origami groups online here; organizes huge annual convention in New York City, usually the 4th Saturday + Sunday weekend in June, publishes origami magazine "The Paper"
  

• British Origami Society
  organizes local and national conventions in United Kingdom, publishes bi-monthly origami magazine

• Japan Academic Origami Society
  publishes bi-monthly magazine for complex diagrams and models. Organizes annual convention in Tokyo, usually in mid-August. Read up on Anne LaVin's semi-official English-language guide to the Origami Tanteidan conventions.
  
  
• West Coast Origami Meetings 
  Look up a folding group in Northern California to Southern California, Pacific Northwest & conventions.
  Please double check meeting times & locations before showing up unannounced! Venues may have relocated.
  
  
• Cal Origami (Creative Applications to Life in Origami)
  U.C. Berkeley student group meets every other Tuesday on campus calorigami@gmail.com
  Final meeting on April 26, 2011 Hildebrand Hall (Chemistry Building), B51
  
  
• Hawaii Origami Club
  Local group on Oahu: contact Scott Macri (
  808-779-1784)
    hawaiiorigamiclub@gmail.com
  
  meets 4th Saturday http://www.meetup.com/HawaiiOrigamiClub/
  

Shopping (books and paper)

• Paper Tree (brick-and-mortar store)
  Operating since 1978 in Japantown (San Francisco) Paper Tree carries a wonderful inventory of origami books and paper, sumi-e (brush painting) supplies, and hundreds of Japanese papers for arts, crafts, and gift wrapping

• Kim's Crane (online)
  Kim and Gordon Crane's online store since 1995, stocks Korean mini papers (2") and various origami paper

• Origami Stores, Suppliers and Publishers  (online)
  world wide listing compiled from the origami-l mailing list, maintained and updated by Janet & Mike Hamilton

• Origami Database (online)
  created by Dennis Walker, this is *the* source for searching origami models published online and in print

• Hiromi Paper  (online)
  based in California, online store specializes in art and conservation paper from Japan

• Paper Jade (online)
  carries Zander Elephant Hide paper (not the animal) for wet folding, complex and super complex folding
  

• Gallery Origamihouse (online)
  based in Japan, online store specializes in Satoshi Kamiya, Seiji Nishikawa, Fumiaki Kawahata, Robert J. Lang and past Tanteidan convention books, complex and super complex models. English page how to order the books