CryptoHeaven for Java(tm) 2.7.3
Send and receive secure and anonymous email. Backup, store and share files online securely. Chat and exchange secure instant messages, create secure message boards. Share document folders through easy to use interface. HIPAA and GLBA compliant. Communicate and collaborate with your co-workers accross networks and firewalls with high level of security without a need for expensive VPN, PKI or complicated network setup and maintainance.

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

Easy Email Encryption 6.40
Easy Email Encryption is for sending and receiving encrypted email messages (optionally with attached files up to 100 KB), and is designed to be both secure and easy to use. It works with any email program including Outlook Express. It uses a symmetric key method, and keys are maintained in an encrypted list of keys for easy access. It is bilingual, English/German, and works with text in languages other than English.

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.

Kinar KeepSafe FreeMail 1.4
Kinar KeepSafe is the easiest to use secure email solution available today. FreeMail provides the enterprise level security without any prior setup, use of passwords, or manual key/certificate exchange. Simply download, install and activate your existing email account as a secure e-mail account. Then you'll be ready to send encrypted e-mail and attachments to anyone with an email address. It's that simple. Does not install any spyware or adware.

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.

HighVIP Protected Email 2.7.2
Send and receive secure and anonymous email. Chat and exchange secure instant messages, create secure message boards. Share document folders through easy to use interface. Communication and collaborate with your co-workers accross networks and firewalls with very high level of security without a need for expensive VPN, PKI or complicated network administration, setup and maintainance.

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.