Knox - Knox offers easy disk image encryption and comes with a built-in backup service.
CrococryptFile - Strong file encryption tool
Advanced File Security Basic - Download Advanced File Security Basic. Protect files by encrypting them with a strong password, a series of questions, or even an USB key you can carry around with this powerful security solution
File Encryption XP - A program designed for protecting confidential information stored on your computer.
Exocet - Exocet creates a Folder on your System.
GnuPG - GnuPG is a complete and free implementation of the OpenPGP standard as defined by RFC4880 (also known as PGP).