pfSense - pfSense is a free and open source firewall and router that also features unified threat management, load balancing, multi WAN, and more
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).
Zabbix - Track, record, alert and visualize performance and availability of IT resources
Microsoft BitLocker - BitLocker is a full disk encryption feature included with Windows Vista and later.
Cyberoam - Firewall
OpenSSH - OpenSSH is a free version of the SSH connectivity tools that technical users rely on.