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.

FileCrypt - Encrypt & Compress Files 2.0
ByteShift lets you easily encrypt and compress confidential files for secure storage or transfer over insecure networks, such as via email attachments or instant messenger. ByteShift removes the need to use multiple programs to encrypt, compress and email your files by combining all three into an easy to use menu which appears when you right-click on any file. ByteShift works right out-of-the-box. Free 10-day Trial download.

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.

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.

ShyFile 6.361
It encrypts your files and text (with up to 6,144-bit) and puts its contents into an extra file to be attached to an e-mail or uploaded to a Web site. Any file can be used as a key. Use an Internet browser to decode. It features a secure chat (no need to enroll or become a member nor to pick a chat room.) The File Shredder thoroughly delete files on your hard drive in a way no undelete tool could ever restore them again.

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.