FreeOTFE is a Free On The Fly Encryption tool that can be used for Portable USB Encryption. The tool can be used to create encrypted volumes, virtual disks or entire partitions using AES, Blowfish, Serpent, Twofish encryption algorithms. Volumes Encrypted by FreeOTFE may be file, partition, or disk based and will remain hidden until mounted and accessed via your password by the tool.
USB Encryption - FreeOTFE
Authors Website: https://sourceforge.net/projects/freeotfe.mirror/
License: Open Source
Download: Get this Free USB Encryption Tool HERE