Xiao Steganography is a great, free Windows software, being part of the category Security software with subcategory Encryption and has been created by Nakasoft.
Ease Folder Guard
Ease Folder Guard is a powerful application aiming to settle the problem of folder encryption and protection.
CypherX Crypter is a unique type of FUD crypter that will protect your files using undetectable encryption and obfuscation algorithms.
File Secure Free
File Secure Free is all-in-one freeware in protecting confidential material.
Kakasoft USB Security
USB Security is a powerful protection application for all your USB and External Drives.
Lock My Folders
Lock My Folders is an innovative folder encryption software that lets you lock and password-protect folders or files, encrypt your important or confidential files on the fly.
iPhone Backup Password Recovery
When backup iPhone with iTunes, you can set a password for encryption.
You can easily setup b.VPN on Windows, Mac, iOS and Android.
JonDo is a free software only available for Windows, that belongs to the category Security software with subcategory Encryption and has been created by JonDonym.
Aplus PDF Password Remover
Features: * Application unlock password protected PDF file.
The Encrypto tool is free which means you and your co-workers friends and family may use it easily and freely.