Blackjack Without Tears - Explains card counting, clumpling, shuffle tracking and betting systems. Forum, message board and course.
Blackjack Center - Free guide to playing and winning at blackjack. Learn card counting, basic strategy and betting systems.
Blackjack Hero - A guide to basic Blackjack strategy, card counting, player profiles and tournaments. Also lists Blackjack casinos by state in the US.
White Knight Blackjack - Free strategy, card counting and casino information. Advanced coaching is available.
Casino Verite Blackjack Card Counting - Practice and simulation software for professionals and novices. Included are downloads, statistics, charts, unusual rules and calculators.