CrypTool 1 (CT1) is an open-source Windows program for cryptography and cryptanalysis. It’s the most wide-spreaded e-learning software of its kind.
CrypTool 1 News
Third public beta of CrypTool 1.4.31
The new CrypTool 1.4.31 beta is ready. This version is now available in 6 languages German, English, Spanish, Polish, Serbian and Greek. We would appreciate if you test this beta in detail and give us feedback. The release version of CT 1.4.31 is scheduled for mid 2014. (2013-10-04)
Announcement for CT1
For CrypTool 1 it is planned to release version 1.4.31 in Q3/2012. This is a bugfix-only update. New features are going into the successors CrypTool 2 and JCrypTool. (2012-02-01)