Origami Societies
A wonderful project!!! http://www.foldingtogether.org/
Akira Yoshizawa http://www008.upp.so-net.ne.jp/origami-ios/index.htm
Austria http://origamiaustria.at/
British Origami Society http://www.britishorigami.info/
Bristol Origami Group http://www.digitalbristol.org/members/origami/index.htm
Canada (Montreal) http://www.geocities.com/SoHo/Den/8802/
China (Hong Kong) http://www.ifolding.or.kr/index.asp
Czeckoslavakia http://www.origami.cz/
France http://mfpp.free.fr/HomePage.html
Germany http://www.papierfalten.de/en/
Korea http://www.ifolding.or.kr/index.asp
Netherlands http://www.origami-osn.nl/osn/en/start.html
Poland http://www.geocities.com/origami_dorota/english.html
Russia http://www.origami.ru/
Spain http://www.pajarita.org/index.php
Sweden http://home4.swipnet.se/~w-46551/index.htm
USA https://www.origami-usa.org/
Private sites
Eric Joisel http://www.ericjoisel.com/Site/home.html
Paul Hanson http://www.sorceryoforigami.co.uk/Home.html
Mark Leonard http://www.origami.34sp.com/
Ash Malik http://www.eagleorigami.co.uk/index.html
Nick Robinson www.origami.me.uk
Alex Bateman http://www.papermosaics.co.uk/
Anita Barbour http://www.ulster.net/~spider/origami.htm
Robert Lang http://www.langorigami.com/
Joseph Wu http://www.origami.as/welcome.php
Database http://www.origamidatabase.com/
Diagrams http://www.origami.com/diagram.html
Gilad Ahoroni http://www.angelfire.com/art/gilad/index.html
A4 Paper sizes http://www.cl.cam.ac.uk/~mgk25/iso-paper.html
Michael G. LaFosse http://www.origamido.com/
Origami Resources http://www.origami-resource-centre.com
   
 
Pop-Up and Paper Engineering sites
Pop Ups- The Pop Card Company inc. http://www.custompopups.com/
Evermore Enterprises http://www.evermore.com/oa/index.php3
Technology Student (a wonderful resource of how-to exercises) http://www.technologystudent.com/designpro/puppic.htm
Liberace's Christmas Cards (isn't the internet wonderful!) http://www.bobsliberace.com/christmas/xpop2.html
Robert Sabuda http://robertsabuda.com/
Mark Hiner http://www.markhiner.co.uk/index.htm
Lowell Hess at Graphics3 http://www.graphics3inc.com
   
  Other non-origami sites that may be worth a visit
For everything to do with knitting http://www.theknittingsite.com
A very talented photographer... http://www.gayesart.com
Do you need a life coach? htpp://www.pkdcoaching.co.uk
What about sorting yourself out? http://www.powerfulselfhelp.com
Do you need beautiful fonts? http://www.fonts.com/findfonts/searchresults.htm?st=5&cid=Sparklefonts
Do you do cross-stitch embroidery? http://www.henriettasheirlooms.co.uk/