Murus Firewall is described as 'Murus is a frontend for the OS X PF network firewall. From basic filtering to advanced proactive options, Murus allows to easily configure a complex network setup dragging and dropping icons and moving sliders and selecting checkboxes' and is a Firewall in the security & privacy category. There are more than 10 alternatives to Murus Firewall for a variety of platforms, including Linux, Windows, Mac, Android and iPhone apps. The best Murus Firewall alternative is NetLimiter. It's not free, so if you're looking for a free alternative, you could try Gufw or netfilter. Other great apps like Murus Firewall are Little Snitch, NetBalancer, ZoneAlarm Firewall and Bouncer App.