TrueCrypt version 6.0 has been released and available for download. It is free open-source disk encryption software for Windows Vista/XP, Mac OS X, and Linux system. A perfect software for laptop or desktop system which allows data be to be protected even when the OS is not active, for example, if data is read directly from the hardware.
Version 6.0x offers parallelized encryption/decryption on multi-core processors (multi-processor systems). Increase in encryption/decryption speed is directly proportional to the number of cores and/or processors. Ability to create and run an encrypted hidden operating system whose existence is impossible to prove. Ability to create hidden volumes under Mac OS X and Linux.
(Fig. 01: TrueCrypt in action [image credit TrueCrypt project])
Download TrueCrypt Open Source Edition
TrueCrypt is a software application used for on-the-fly encryption (OTFE). It is free and open source software. TrueCrypt is available for Microsoft Windows, Mac OS X, and Linux. This software can protect date. It encrypts data stored on a computer's disk and transparently decrypts the information when a user requests it. No special action by the user is required. From the Linux.com article:
Last month the TrueCrypt Foundation released TrueCrypt 5.0, which finally introduces a Linux GUI for the cross-platform encryption application. TrueCrypt 5.0's numerous other enhancements include a Mac OS X port, XTS operation mode, the ability to encrypt a system partition or drive under Windows, and the addition of the SHA-512 hash algorithm
=> Encrypt volumes through a cross-platform GUI with TrueCrypt 5.0