CryptoExpert 2008 Lite 7.6.2
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.

CryptoExpert 2008 Professional 7.6.2
CryptoExpert creates new virtual hard drives on your computer that appears to applications like any other physical drive. User needs to enter a password to work with the encrypted drive and can unmount it instantly by pressing special hot key. In the unmounted state there are no enrypted virtual hard drives in your system. CryptoExpert works well on Windows Vista 64bit and 32 bit as well as on WinXP/2000/2003. New feature: Disk Firewall.

SecretDrive 1.3.6
SecretDrive is a small and reliable program that allows you to create up to 16 encrypted virtual disks. SecretDrive provides transparent on-the-fly data encryption by one of five modern encryption algorithms. Encrypted flash drive container support. Algorithms: AES (Rijndael), GOST 28174-89, Blowfish, Twofish, CAST 256.

Folder Encryption Fairy 3.6
It lets you password protect, hide, mask folders and encrypt all files in folders. Its main functional include: fast encryption, high density encryption, portable encryption, mask folder, hide folder, and wipe out folder. The unique of the soft lies in the ability to intelligent combinational encryption, which can keep your folders extremely security.