!Code Breakers Guild(forum)! A forum for you to post and solve ciphers/codes/anagrams and more. Also has a help/teacing section for beginers. http://s4.invisionfree.com/Code_Breakers_Guild/index.php?act=idx
German Enigma Machine xyz4 http://www.educationplanet.com/search/redirect?id=49753&mfcat=/search/Science_and_Engineering/Computers/Computer_Science_and_Engineering/Encryption_and_Cryptography&mfcount=7