M0n0wall might be a bit more popular than Gufw. We know about 1 link to it since March 2021 and only 1 link to Gufw. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
2- You should set it up anyways gufw.org. Source: about 3 years ago
I think I’ve run my course with DYI boxes when it comes to firewalls. I started out running m0n0wall on a Soekris net4801 and later on with an APU1d4. While they all ran somewhat stable, the times they did not still gives me nightmares. Source: about 2 years ago
TinyWall - Lightweight and non-intrusive firewall
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.
ufw - Ufw stands for Uncomplicated Firewall, and is program for managing a netfilter firewall.
Windows 10 Firewall Control - Windows 10 Firewall Control: simple and exhaustive solution for applications network activity controlling and monitoring.
Windows Firewall Control - Windows Firewall Control is not the built in firewall system in the Windows operating systems.
Little Snitch - Little Snitch is a firewall application that monitors and controls outbound internet traffic.