Symantec Email Security.cloud - Symantec Email Security.cloud provides always-on, inbound and outbound email security against malware, targeted attacks, and advanced threats
TinyWall - Lightweight and non-intrusive firewall
pfSense - pfSense is a free and open source firewall and router that also features unified threat management, load balancing, multi WAN, and more
Windows Firewall Control - Windows Firewall Control is not the built in firewall system in the Windows operating systems.
SonicWall - SonicWall security solutions protects your network, systems, users and data from cyber threats.
Windows 10 Firewall Control - Windows 10 Firewall Control: simple and exhaustive solution for applications network activity controlling and monitoring.