OpenSnitch is a GNU/Linux port of the Little Snitch application firewall.

Secure your system against internal attacks such as Trojan viruses / malicious software and external attacks by hackers. Safeg ...

Hands Off! is an application to monitor and control the access of applications to your network and disks. Being able to monito ...

ZoneAlarm Free Firewall blocks hackers from infiltrating your home PC by hiding your computer from unsolicited network traffic ...

IceFloor is the first OS X free graphic frontend for PF. Configure the PF firewall in a few clicks using a very simple interfa ...

As Apple's built-in Firewall preferences improves in both functionality and security, I will be aiming Flying Buttress more at ...

Block internet connection for apps.

LuLu is the free, shared-source firewall for macOS. Its goal is simple; block any unknown outgoing connections, until approved ...

AppNetworkCounter is a simple tool for Windows that counts and displays the number of TCP/UDP bytes and packets sent and recei ...

Simple to use bandwidth monitoring software to track Internet bandwidth usage. It remains in tray and displays the bandwidth u ...