Cryptic Disk 2.5.4
Cryptic Disk 2.5 provides a simple and affordable way to protect disks and disk partitions by encrypting them. The encrypted data cannot be accessed without entering the password, even if a hacker gets access to a PC or the hard drive is stolen. The program uses the AES 256-bit encryption algorithm, the same encryption NASA, the FBI and the Department of Defense uses to protect their data. Encrypting/decrypting takes one click. Free download.

Advanced Crypto Drive 1.0
With Advanced Crypto Drive you can keep your confidential data - documents, letters, photos, videos, programs and any other files and folders strongly protected on virtual encrypted disks. Such disk has no differences from any other physical hard disk drive but it supports transparent on-the-fly encryption to keep secret data strongly secured.

SecuBox for Pocket PC 1.3.1
Encryption software for Windows Mobile PDAs and PDA Phones. Keeps confidential data secure and protects it with strong AES 256-bit encryption. Ideal for encrypting Pocket PC space and its memory cards. Ensures the security of the protected data even if the device is lost or stolen.

WinDefender 2.1.9.1
WinDefender is a tool that you can use to secure your confidential data and protect your files and folders on computers running Windows 95/98/ME. It provides real-time protection and security service with strong encryption. Once you encrypt your private folders then can use them just all others, non-encrypted ones - files will be decrypting 'on the fly'! You can assign access right, make it read-only or hide, for example.

nokVAULT 3.0
Protect your confidential files with nokVAULT File Encryption and secure delete. There is nothing better. Its the worlds most unbreakable encrypted vault. Its invisible, untraceable, and it cant be detected by any Operating System. Other applications rely on Windows to store and manage your security, nokVAULT is different. It stores your sensitive data outside of Windows, safe from intruders and hackers.

DiskEncryptor 1.2
A transparent(on-the-fly) disk/cd encryption system, which combin with AES 256-bit encryption. DiskEncryptor can make a disk partition encrypted on the windows system. After encypted, all the operation for this encrypted disk is the same as a normal disk, when read and write, the decryption and encryption is running at background and transparently....

SafeHouse Personal File Encryption 3.00
SafeHouse provides total privacy and protection for your sensitive files and folders using passwords and strong encryption. SafeHouse features military-strength encryption which is completely transparent to the way you work and compatible with all Windows applications. This software is amazingly simple to use and works on all drives, including external USB devices, memory sticks and CD/DVDs. SafeHouse also supports saving passwords to smartcards.

DiskEncryptor 1.6
A transparent(on-the-fly) disk/cd encryption system, which combin with AES 256-bit encryption. DiskEncryptor can make a disk partition encrypted on the windows system or create some new virtual disks and cds. After encypted, all the operation for this encrypted disk is as the same as a normal disk, when read and write, the decryption and encryption engine is running at background and transparently.

PrivateZone 1.27
This software can create a encrypted drive in your computer. You can use this drive just as your other drives. The difference is : all the data that saved in this drive will be automatically encrypted. This keeps your confidential data private in encrypted form to prevent unauthorized reading and information leaks.

BestCrypt Volume Encryption 2.11.01
BestCrypt Volume Encryption software provides transparent encryption of all the data stored on fixed and removable disk devices. Once BestCrypt Volume Encryption is installed, passwords are created and volumes are encrypted, it's impossible to access any data on predefined hard disk, partition and/or volume.