Top 3 alternative sites to ellsbury.com

  1. cryptocellar.org
    cryptocellar.org

    2. Frode Weierud’s CryptoCellar
    Frode's Cryptology Page is dedicated to the history of cryptography, cipher machines and their simulation, cryptanalysis and other code breaking techniques.

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  2. savory.de
    savory.de

    3. Dr. Stuart Savory + Cornelia Savory's Homepage
    Stuart Savory hobbies are Archery, Bulldogs, Enigma, Crypto, Aviation, Humor, Motor-cycling, Travel, Writing.

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  3. ciphermachines.com
    ciphermachines.com

    4. Cipher Machines
    Cipher Machines

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