Check Point Quantum Security Gateway - Quantum is the next-generation VPN security gateway that delivers the core security benefits of a firewall, next-generation IPS, antivirus, and Web-filtering without sacrificing performance.
TinyWall - Lightweight and non-intrusive firewall
SetupVPN - Unblock any blocked website in your country, school or company. It's free and easy to use.
SonicWall - SonicWall security solutions protects your network, systems, users and data from cyber threats.
pfSense - pfSense is a free and open source firewall and router that also features unified threat management, load balancing, multi WAN, and more
Sophos UTM - Sophos UTM integrates complete security software within a single appliance.