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.

Cryptainer LE Free Encryption Software 7.1.0
Cryptainer LE totally free 128 bit disk encryption software. Simple, easy to use encryption application that creates encrypted "vaults". One can store any kind of data in them. Cryptainer LE allows you to encrypt any file or folder on any Windows PC. Protects all types of Media and any type of data. Password protect any file or folder with strong Encryption. Send secure e-mail. Protects data on USB Drives, Flash Drives, CDs and HDDs. Freeware.

Dekart Secrets Keeper 3.11
Protect your important files with 256-bit AES encryption. Full integration with Microsoft Windows® Explorer, Microsoft Word, Microsoft Excel and PowerPoint.To encrypt or decrypt files, simply click Encrypt or Decrypt buttons in the main dialog or press the Encrypt or Decrypt buttons in Microsoft Word, Excel and PowerPoint. Allows to store passwords on the USB flash drive, CD's. Full data portability - work safely with your data from any machine.

Folder Password Protect 2.8
Folder Password Protect is a software program that lets you set a password on folders of your choice. What makes Folder Password Protect better than built-in security of Windows XP? You don't have to create separate user accounts or use the NTFS file system. Folder Password Protect can protect a folder on both NTFS and FAT32 volumes. Moreover, you can protect folders on USB flash drives and network drives as well as on the hard drive.

Password Protect and Lock Folders 2.1
Restrict access to the folders containing your sensitive data. Secure your documents, prevent people from viewing, printing, or altering them. The folder can be protected simply by right-clicking on it within Windows Explorer.

Keynesis Lockngo Professional 3.10
Lockngo Professional encrypts and password protects flash drives, portable drives and external disks using 256-bit AES military specification unbreakable encryption with a wiping mechanism that writes random data on deleted files so that they cannot be restored. Lockngo Professional is offering this level of security while running directly from the removable drive with no installation. Lockngo Professional is fast, smart and Very easy to use.

CryptoExpert 2008 Professional 7.8.1
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.