1)   MySecretFolder 3.0
MySecretFolder - You can hide or protect with a password your personal folder with private files and documents, on both the NTFS and FAT/FAT32 volumes. Very easy to use. Supports the stealth operation and hot key activation.

 2)   FolderCloak 2.5
FolderCloak is a tool that hide your private folders easily. With FolderCloak, you can hide your folders and thus prevent access by anyone else to your personal files and documents.

 3)   Hide Private Folders 3.0
Hide Private Folder is a cute tool that hide your private folders easily. With it, you can hide your folders and thus prevent access by anyone else to your personal files.