MESee Lite is a good, free software only available for Windows, belonging to the category Security software with subcategory Encryption.
An aplication to encrypt any kind off file with a new, fast and strong algorithm.
McAfee VirusScan 2005
McAfee VirusScan 2005 is a tool that provides real-time protection against spyware, worms, Trojans, adware, and viruses.
McAfee SpamKiller 2005
McAfee SpamKiller 2005 is a program that keeps only the emails you want in your inbox, without the spam.
McAfee Firewall 2005
McAfee Firewall 2005 is program that keeps you protected while you are online.
McAfee AntiSpyware is an enterprise-class spyware protection tool.
Max Folder Secure
Max Folder Secure is a security tool for locking and hiding files and folders with a password.
Masker is a program that encrypts your files so that a password is needed to open them, and then it hides files and folders inside of carrier files, such as image files, video, program or sound files.
Magic File Professional(Ver 6.0)
Magic File can password-protect any file on your computer.
The secret keys can/will/must be exchanged with a person or group.
LockMyDrive is a simple and convenient tool to protect any information on various data carriers.
Lockbin is a free multiplatform program (also available for Mac). It makes part of the category 'Security & Privacy' and the subcategory 'Encryption'.