The CrypTool Portal
The CrypTool Portal is the starting page of the CrypTool project and raises awareness and interest in encryption techniques for everyone. The CT project offers different e-learning software (CT1, CT2, JCT, CTO) and additional websites (this portal and MTC3).
All learning programs in the CT project are open source and available for free. The CT project develops the world's most-widespread free e-learning programs in the area of cryptography and cryptoanalysis.
CrypTool in your browser
CrypTool to be downloaded
Crypto Challenge Contest
Volunteers, especially programmers, and students planning to write their thesis in the area of cryptography, are always welcome to join in the further development of the CrypTool project. You will experience project management in a distributed, agile project.