1-ACBL Website
Find a tournament, check your masterpoints, lots more information
http://www.acbl.org/
2-Audrey Grant - Bidding & Conventions
Click on "What's Standard" for handouts on basic bidding and conventions
http://www.audreygrant.com/articles/index.html
3-Bridge Base - Play Online FREE
Play with people from around the world, or set up time with friends
http://www.bridgebase.com
4-Bridge Clues by Mike Lawrence
1 hand to bid, 1 to play - changes daily
http://www.bridgeclues.com/
5-Bridge Guys
Conventions, Defense Conventions, Etiquette
http://homepage.mac.com/bridgeguys//conventions.html
6-Karen Walker's Bridge Library
Download handouts on bridge bidding ... etc.
http://www.kwbridge.com
7-Mike Lawrence - Articles
Dozens to read and learn from
http://www.michaelslawrence.com/Articles/Article.html
8-Richard Pavlicek
Quizzes, Puzzles, Articles ...
http://www.rpbridge.net/rpbr.htm#01
9- Eddie Kantar bridge
Double Dummy problems to solve--and lots more.
http://www.kantarbridge.com/double_dummy.htm