Iron Key - Encrypts files using the industry-standard DES cipher and produces self-extracting Windows executable encrypted files, which can be sent safely over the Internet.ABI-Coder - File encryption software for Windows that uses a 128 Blowfish and 192 bit Triple DES algorithms to encrypt files and folders with just a click of the mouse.
OVSoft - Developer's site. Offers PowerCrypt 2000 encryption software and other utilities.
Cryptos - One time pad data encryption for Windows.
Thirty2 Deg Productions - Developer's site of 'Crypt', an encryption program for Win95/98. Links to other resources and services.
Camouflage - Hide files in Windows by encrypting them then attaching them to any file of your choice.
Security BOX - A powerful, password-protected, 128-bit encryption and compression program for Macintosh, and MS Windows 95/98.
FineCrypt - Professional encryption freeware.
OpenCrypt - File encryption application for Windows 95+; source code is available.