Free Firewall is described as 'Full-featured professional firewall that protects against the threats of the Internet. Control every program on your computer by permit or deny access to the Internet. Free firewall notifies you when applications want to access the Internet in the background' and is a Firewall in the security & privacy category. There are more than 10 alternatives to Free Firewall for a variety of platforms, including Windows, Android, iPhone, Android Tablet and VirtualBox apps. The best Free Firewall alternative is simplewall, which is both free and Open Source. Other great apps like Free Firewall are GlassWire, Fort Firewall, TinyWall and BiniSoft Windows Firewall Control.