CryptoExpert 2008 Lite 7.6.3
Freeware, CryptoExpert system mounts a volume file to create a "virtual drive" that appears to applications and users like any other physical drive. Any data that the user attempts to write to this drive is intercepted by CryptoExpert, encrypted, and written to the volume file. Attempts to read from this volume are also intercepted, and the relevant data is read by CryptoExpert from the volume file, decrypted, and presented to the application.

EncryptDrive 2.4.2
EncryptDrive is an application that will encrypt and decrypt data on your removable driver, like: memory cards, pendrives, zips, floppy, card reader/writer, digital camera.

CryptDisk rscdisk 4.2
Cryptdisk encryption on the fly creates a virtual disk on your system (cryptdisk). Cryptdisk is turned off and on as you need it. Entry into the virtual disk is only achieved by use of a file (Keyfile) and a highly secure passphrase process. All files, data, and information written in the cryptdisk or parked in the cryptdisk is encrypted automatically. All files you move out of the virtual cryptdisk are decrypted automatically.

Encryption Shield 2.0
Encryption Shield enables you to encrypt and password protect any type of file, including documents, images, videos etc. The program offers a choice of 4 encryption algorithms, Rijndael with 256 bit key (AES 256, now it is Advanced Encryption Standard), Blowfish, DES, 3DES,and converts the protected file into a decfile.