TinyWall - Lightweight and non-intrusive firewall
Sophos Firewall - Sophos is a next-generation firewall solution that uses artificial intelligence and machine learning to keep you protected from malware, phishing, infected websites, and ransomware.
SonicWall - SonicWall security solutions protects your network, systems, users and data from cyber threats.
VMware NSX Service-defined Firewall - VMware NSX is the network virtualization and security platform for the software-defined data center.
pfSense - pfSense is a free and open source firewall and router that also features unified threat management, load balancing, multi WAN, and more
Azure Firewall - Azure Firewall is a managed, cloud-based network security service that protects your Azure Virtual Network resources.