Antrasoft Secure Messenger 3.5
The E-mail program for communication 100% securely. The program generates security certificates (public & private 1024 bit keys) , automatically exchanging public keys and install them into Windows to make your own personal 'circle of trust' between your partners. The program enables users to encrypt and digitally sign their e-mails or voice messages, ensuring a high level of confidentiality for your personal information.

CHAOS Messenger 4.0
CHAOS Messenger is the utility program that creates active Chaos files for Windows. Active Chaos files are executable programs (EXEs) that contain a Chaos file and the software necessary to decrypt the information and encrypt answer messages. Users can create active executable Chaos files that anyone can use to encrypt messages with the proper password. No other software is required

Puffer 4.03
Puffer is a general purpose 256-bit AES encryption utility for protecting your most sensitive data. Use Puffer to securely exchange email with other Puffer users via the 2048-bit Diffie-Hellman key exchange function. Compress and encrypt your data files into zip-style PUF archives. Use steganography to hide data among the pixels of image files. Distribute self-decrypting archives to non-Puffer users. Permanently erase data with wipe functions.

TopSecret NxG 3.03
A data protecting application. Send encoded email messages. Ciphering resources and applications in order to make the data unreadable for other users on the same computer. You need the password to use the data like before. Data and programs are kept in virtual safes, set by the user. Keep your private data in your personal safe. Protect your files from unauthorized acces.