simplewall is described as 'Simple tool to configure Windows Filtering Platform (WFP) which can configure network activity on your computer' and is a very popular Firewall in the security & privacy category. There are more than 25 alternatives to simplewall for a variety of platforms, including Windows, Linux, Android, iPhone and F-Droid apps. The best simplewall alternative is Portmaster, which is both free and Open Source. Other great apps like simplewall are Pi-hole, Fort Firewall, GlassWire and NetGuard.
Bouncer is an application to help you choose the correct firewall zone for wireless connections. When you connect to a new network, Bouncer will open a window prompting you for what kind of network (eg home, public, work) it is.
