PGPDisk v6.0.2i
As of version 6.5, PGPdisk is not longer included with the freeware versions. If you want PGPdisk 6.5 or later, you are required to buy one of the commercial versions. However, v6.0.2i is available here in both mac and pc versions.
SafeBoot Security System
Control Break provides encryption and security tools which are both secure, and easy to administer - designed primarily for the large enterprise, they also offer a range of consumer verisons.
Secure Drive 1.4
Dos TSR program that can encrypt both floppy and hard disk partitions. Compatible with PGP 2.x keyfles. I have used this and it works great. Unfortunately it doesn't look like the programmer has made any enhancements to it for a while.
Sentry 2020 for Windows XP/W2K/NT
The first security system that protects volumes, files, folders and programs quickly and easily
SpyProof!
Disk drive that automatically encrypts all data blocks written to it and then transparently decrypts them for any application, if logged in. Once logged out, the special disks are completely unreadable by unauthorized users and thieves.
Virtual Private Disks
Enterprise-wide multi-platform security product. Transparently access encrypted files. 100% transparency, zero administration. Filesystem independent. Network ready.
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