pfSense - pfSense is a free and open source firewall and router that also features unified threat management, load balancing, multi WAN, and more

FireEye Network Security and Forensics - Network Security and Forensics tools help you detect, monitor and respond to complex cyber attacks and zero-day exploits that bypass signature-based defenses.

Comodo Firewall - Comodo Firewall Pro - Secure your system against internal attacks such as Trojan viruses /...

Omnishield by MyDigitalShield - OmniShield is the cybersecurity solution that extends the company's perimeter to all the sites while providing omnipresent, enterprise-grade security.

Emsisoft Online Armor Firewall - Emsisoft Online Armor Firewall is a freemium online firewall protection system by the Emsisoft that is based on the own independent protection technology of the Emsisoft.

Darktrace - Using self-learning AI, Darktrace transforms the ability of organizations to defend themselves in the face of rising cyber threats