LockDisk 3.0
Free Encryption Software, Lock, hide, and password-protect all types of files and folders. Creates multiple encrypted container (vault) to protect your data. It's powerful encryption ensures that only you can access your data.

Dekart Private Disk Light 1.22
Free fast AES 128-bit disk encryption program. Private Disk Light allows you to create a secure space for all your work, exchange encrypted data with others, and feel sure that your information is safe from external and internal manipulation. Private Disk Light creates one or more secure virtual disks on your hard drive. Information stored in this secure area is automatically encrypted and may only be decrypted by entering the password.

Digital Secure Disk 1.5
SafeIT Secure Disk is a user-friendly program that allows you to prevent unauthorized access to restricted documents. The program makes a part of your current hard disk a secure disk. All private and confidential information stored on this disk will be protected using strong encryption. Your secure disk is only accessible by entering the correct password. The user friendly interface makes securing a file as easy as copying it.

BladeBox eXtreme 4.0
BladeBox creates virtual encrypted volumes, which are AES-ENCRYPTED files which can be mounted as if they were disk drives.Virtual Encrypted Volumes (VEV) are seen and considered by the operating system as if they were actual volumes (drives), they have a drive letter, a volume name, and you can see them inside your My Computer resources and inside the Windows Explorer. Ability to auto-unmount volumes. Hiding Engine and Application 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.