The current release version for users is CrypTool 1.4.30 (released August 4th, 2010).
This version requires a Win32 environment. The program contains some functions calling Java applications. To run these functions a Java runtime enviroment under Win32 (at least JRE 1.6) needs to be installed.
Both, the sources of the release version (Tag "CrypTool_1_4_30") and the sources of the latest changes are available from the subversion repository. Everybody has read access to this repository (username anonymous and empty password).
CrypTool 1.4.x is available in English, German, Spanish, Polish and Serbian (a Greek version is under construction):
SHA1: 4560f1c1d3a29719ac01f2c88997f110ad1f2a6c, MD5: 991084a953c498bd108a664c120b0cd7
SHA1: 7496877166538c78067a3aadbbe703ab740143d9, MD5: 1807fb7ec555359a09c44c78918ad5a3
SHA1: 8f0445352d5f40e2809e04808f0d1c8ce1fb9321, MD5: ac8bce5723043f6dc2cdd581025bb8e8
SHA1: 665a1fc00c61cafa8c71d76dc9e825cdcb85e773, MD5: ef1e3d9c8d527f9ad69fda162a636aff
SHA1: e63a89e3864ffdfe4ad48f5ed34b016155cebf0c, MD5: 071ebff18965ec8b33295cfd8936dacb