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.

Crypto Anywhere - OpenPGP Edition 2.0
Secure Email . Standalone or integrated with Outlook Express or Outlook. Can decrypt and encrypt messages to friends using PGP, OpenPGP, SecExMail and many more. Crypto Anywhere allows you to make a travel floppy which can be used in internet cafe's or at work. You don't even need to install the software - just run it from the floppy disk or USB thumb drive. Now free for personal and corporate use. Visit our website to get a free registration key

Firetrust Encrypt 1.1
Send secure, encrypted files via e-mail to anyone, anywhere, and anytime. Encrypt by Firetrust is a powerful encryption software that allows consumers and businesses to protect sensitive information, such as financial, medical, or other personal information, when sending e-mail or sharing files.

Digital Document Encryptor 2008
Digital Document Encryptor is a certified and awarded software product suitable for both the enterprise and private user. Encrypt sensitive documents and other private digital information you have on your computer. Store information securely or send secure attachments by e-mail without worries. The receiver of an e-mail with an encrypted file will only need the right password and a browser to decrypt the e-mail locally.

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.

SecExMail Home 1.51
SecExMail makes e-mail encryption as easy as sending a message. There are no plugins necessary and it will work with any standard email client including Microsoft Outlook, Outlook Express, Calypso, Eudora and many more. Now includes automatic key exchange and powerful html filtering to protect from malicious email. Personal Edition, including support can be purchased for $4.95 using PayPal or Credit Card. Commercial and Linux versions available.

Top Secret Crypto Gold 4.10.000
Top Secret Crypto Gold includes Top Secret Chat and Top Secret Journal, with file and e-mail encryption. RSA key sizes 480 to 16,384 bits. Insert 180 smileys in e-mail, journal entries, and chat sessions. Free for personal private use. New! Now easy to use with any e-mail program including Yahoo! Mail, MSN Hotmail, Gmail, IncrediMail, or FoxMail. Five new spell checking dictionaries: Danish, German, French, Italian, and Spanish.

P-EncryptMail for Outlook 2.1.0.0
P-EncryptMail for Outlook is an add-in for Microsoft Outlook 2000 and up. It allows you to keep your messages and attachments private by using the most secure encryption algorithms. To use, just select the messages and click the Encrypt/Decrypt button, then enter a password. You can also send encrypted e-mail, the end user should know the password, and have a program capable of decrypt P-EncryptMail messages, such as the free P-EncryptMail reader

encrypted::Mail 2.0
encrypted::Mail allows users to send encrypted emails to anyone with ease, regardless of the users or recipients existing mail client. encrypted::Mail uses symmetric encryption and allows senders to add a pass phrase for additional security.

Fencry 2.0
Use Fencry to encrypt text to and from applications by using simple cut and paste. Example of use is encrypting mail and text documents. It uses 256 bits encryption.