Encrypto - Encrypto lets you encrypt files before sending them to friends or coworkers.
EncFSMP - EncFSMP, a program to mount EncFS folders on Windows and OS X.
File Lock PEA - Password-encryption of files and directories. File PEA encrypts files and folders with authenticated encryption to protect confidentiality and integrity. The program uses memory-hard key derivation functions to prevent custom hardware attacks.
Unicode Crypter - Encrypt and Decrypt Unicode!
WinGPG - WinGPG – an open source encryption tool for Windows
BestCrypt - BestCrypt Container Encryption supplies painless encryption to users for any selected files or folders on active desktops, shared workstations, removable storage media drives, network storage, etc.