Symantec Data Loss Prevention - Fully protect your data with the comprehensive detection technologies and unified policies of Symantec's industry leading Data Loss Prevention (DLP).
WatchGuard XTM - Discontinued Product - WatchGuard Technologies is strongly committed to providing industry-leading products and services.
OpenSSH - OpenSSH is a free version of the SSH connectivity tools that technical users rely on.
pfSense - pfSense is a free and open source firewall and router that also features unified threat management, load balancing, multi WAN, and more
Paubox - Paubox provides HIPAA compliant email encryption without the hassle of extra steps.
ClearOS - A very good alternative for Windows Server, for free