CryptoHeaven Secure Communication 2.8.2
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.

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.

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.