1)   StorageSafe 1.2
StorageSafe provides high performance security for USB and IEEE1394 based storage with transparent 256-bit AES encryption, guards against 180,000+ common passwords, and secure file/device erase. Protected devices look and feel the same as before.

 2)   FlashDrive Crypto 1.5
FlashDrive Crypto is an easy-to-use, reliable, user-friendly and smart program that lets you encrypt the disk partitions to keep your data secure. It almost support all kind of removable storage, eg: floppy disks, usb flash memory disk, SD, MMC ...