Wise Folder Hider - Wise Folder Hider is a free file/folder hiding tool.
VeraCrypt - VeraCrypt is a free open source disk encryption software for Windows, Mac OSX and Linux.
Gilisoft File Lock Pro - Password Protect Files, Folders on Local Drive , USB drive or LAN Network.
Easy Vault - Easy Vault: Hide Pictures, Videos, Gallery, Files is an all-in-one privacy protection application designed for those who want to lock and hide their private files.
Folder Guard - Folder Guard is powerful security software for Windows 7, Vista, XP, 2000.
Lock My Folders - Best alternative to EFS. Let you lock and password-protect folders or files, transparently encrypt your important or confidential files on the fly.