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Centennia Historical Atlas
Centennia - A map-based guide to the history of Europe and the Middle East from the beginning of the 11th century to the present...
guide historical map-based guide historical atlas display territorial conflict
Caesar Cipher
Encryption application based on method used by the Romans in Caesar's time...
Monoalphabetic Cipher
Software that encrypts and decrypts ciphers...
HcryptoJ
Library for implementing and analyzing historical ciphers...