FreeOTFE creates virtual disks on your computer that are encrypted with password. If you have private or secret files and you want to hide them, this may be an alternative among other similar programs such as TrueCrypt.
These new virtual drives created can be used as before. The application is portable and does not need installation, so it can be used for USB or removable devices, also includes options for security tokens.
Is using different powerful algorithm for encryption (AES, Twofish ..) and for hash (SHA-512, Tiger ..). Can encrypt files, partitions or entire hard disks.