Omziff is a straightforward encryption utility that uses various cryptographic algorithms to encrypt and decrypt textual files. These algorithms include: Blowfish, Cast128, Gost, IDEA, Misty1, Rijndael, and Twofish. It also generates random passwords, and offers simple file shredding. It is freeware, comes in a standalone executable file with no dependencies.
3.0.5 (Apr 12, 2006)
does NOT require installation!! Though I prefer the 3.0.2 interface:
http://img233.imageshack.us/img233/4498/3027xc.png