Systems

About Blackjack
Blackjack 101 tutorial from the editors of About.com. Provides an introduction to the game and basic blackjack strategy.
http://casinogambling.about.com/library/weekly/aa112000a.htm

Average Joe Blackjack
Provides basic information on blackjack strategy and details on the Average Joe book.
http://www.averagejoeblackjack.com

Blackjack Data Repository
Contains thousands of pages of statistics and charts from the simulation of 300 billion hands.
http://www.bjstats.com/

Blackjack Science
Strategies for scientifically playing blackjack from a member of the MIT blackjack team.
http://blackjackscience.com/

Blackjack Strategy
Provides information on basic strategy with charts for various online casinos.
http://www.blackjack-strategy.ca/

Blackjack System Tester
Curious if a particular blackjack strategy works? This site provides 24 sample shoes to put theories to the test.
http://www.vidpoker.com/bj_system.htm

Complete Blackjack Center
Offers a basic blackjack strategy book online.
http://www.blackjackcourse.com/

Lucky Ike
Offers a custom blackjack betting system. Live seminars also available.
http://www.angelfire.com/me4/luckyike/