1)   Solid Encryption 1.21
This gives you access to unbreakable OTP encryption. You can encrypt to and from files or directly to the clipboard. Paste cipher-text directly into text documents. Generate real random keys with no more than a radio and a sound card.

 2)   Top Secret Crypto Gold 4.10.000
Top Secret Crypto Gold includes Top Secret Chat and Top Secret Journal, along with file and e-mail encryption. Includes spell checking for e-mail, journal, and chatting. Free for personal private use. Commercial use requires an inexpensive license.

 3)   ProCypher 32 1.0
ProCypher - the most powerful electronic file encryption application available securely encrypts and can permanently erase your PC files of any type and size fast - exceeds DOD 5220-22-M specifications.