This list is by far non-exhaustive, but should constitute a good start for dancers in Vietnam. I will complement this list as time goes by. Enjoy! :o)

General - Some very cool stuff!

All about Lindy Hop on Wikipedia - The ultimate resource
FAQ on Lead and Follow - A must read for students!
JazzInc - History and more! Updated frequently

Dance moves & Videos
Note on arials moves: Do not try any of the arials moves and throws at home. Do not think it's all about muscle - there are techniques to arials moves and we strongly advise learning them before hand. Sad accidents do happen.

http://lindylibrary.com
http://dancestore.com
http://swingoutfits.com
http://swingdanceshop.com
http://www.idance.net

Dancing Communities in the World - Welcome to the family!
Note on worldwide swing communities: There are plenty of places around the world where you can share the passion of swing dancing. Check out http://www.lindyexchange.com website, before your next travel. Welcome to the family!

Asia
Seoul - http://swingkorea.blogspot.com/
Osaka - http://www.mechakuchaswing.com
Tokyo - http://iswingtokyo.com/english
Singapore - http://www.swingapore.com
Singapore - http://www.jazzinc.worpress.com
Hong Kong - http://www.hongkongswings.com/
Beijing - http://www.chinaswings.com/
Kuala Lumpur - http://www.klswing.com/
Taiwan - http://www.swingisland.blogspot.com
Australia - http://www.swingpatrol.com.au

North America
Canada - http://www.lindyhopper.ca
Canada - Montreal - http://www.swinginmontreal.com
USA - L.A. - http://www.lindygroove.com
USA - New York - http://www.yehoodi.com

Europe
Denmark - Oresund region - http://www.heptown.com
France - http://caveaswing.free.fr
Grenoble - http://grenobleswing.com
Lyon - http://www.isdc.fr/lsdc0.htm
Rennes - http://lindyhop.rennes.free.fr
Switzerland - http://www.swing.ch
London - http://swingdanceuk.com