What are some alternatives?
When comparing Windows Firewall Control and OpenSnitch, you can also consider the following products
Windows 10 Firewall Control - Windows 10 Firewall Control: simple and exhaustive solution for applications network activity controlling and monitoring.
TinyWall - Lightweight and non-intrusive firewall
Comodo Firewall - Comodo Firewall Pro - Secure your system against internal attacks such as Trojan viruses /...
Little Snitch - Little Snitch is a firewall application that monitors and controls outbound internet traffic.
Agnitum Outpost Firewall - Agnitum Outpost Firewall is a free protection and firewall system for the Windows-based PC for getting their system secured and enhancing its privacy and security level.
LuLu by Objective-See - LuLu is the free open-source macOS firewall that aims to block unauthorized (outgoing) network...