ufw is described as 'Ufw stands for Uncomplicated Firewall, and is program for managing a netfilter firewall. It provides a command line interface and aims to be uncomplicated and easy to use' and is a Firewall in the security & privacy category. There are more than 10 alternatives to ufw for a variety of platforms, including Linux, Windows, Mac, Android and iPhone apps. The best ufw alternative is Portmaster, which is both free and Open Source. Other great apps like ufw are simplewall, Fort Firewall, NetGuard and Little Snitch.