CrypTool 2 follows the Microsoft Office 2007 User Interface Design Guideline, providing a consistent and rich user experience.
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Cryptology game CODEBREAKERS.EU -- 4th edition
On 1st of June 2015 the first of 6 tasks starts on the Enigma level. For three weeks two times per week new documents with tasks are published.Read more ...
CT 2.0 released
Land der Ideen - Statements
"CrypTool includes an unparalleled array of cryptologic tools, which are ideal for anyone who wants to study cryptography or cryptanalysis. CrypTool is a free application, readily available on the Internet."
Prof. Mark Stamp, San Jose, California, USA