CryptoHeaven Secure Communication OS X 2.8.3
Secure and encrypted email with integrated business class secure Instant Messaging. Collaborate with others with secure group chat and secure file sharing. Use secure message boards and securely leave documents for others. HIPAA and GLBA compliant. Works across networks and firewalls without a need for expensive VPN, PKI or complicated network setup and maintenance.

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.

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.

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.

Secure Hive 1.1.0.0
Secure Hive is a powerful tool for secure archiving and sharing of files. It enables you to create encrypted archives and self-extracting .exe files for secure storage and file sharing. It also includes a simple but powerful means of encrypting parts of, or entire, documents, email messages, etc. Secure Hive offers the enterprise a method of: Securing sensitive documents Protecting information during transfer Securing emails