Check Point Firewall Software Blade - Check Point delivers the best security solutions withthe right architecture to prevent attacks in allof yourenvironments.
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).
pfSense - pfSense is a free and open source firewall and router that also features unified threat management, load balancing, multi WAN, and more
OpenSSH - OpenSSH is a free version of the SSH connectivity tools that technical users rely on.
ClearOS - A very good alternative for Windows Server, for free
Paubox - Paubox provides HIPAA compliant email encryption without the hassle of extra steps.