Super BlackJack21 (Popularity: )
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Blackjack 2021 (Popularity: )
http://www.beejack.com/ Specifies the best move for any given situation based on a pure mathematical engine designed by Professor S. Haber, MIT/Tech.
Casino Verite Blackjack (Popularity: )
http://www.qfit.com/ Practice and simulation software for professionals and novices. Included are downloads, stats, charts, unusual rules and calculators.