Little Snitch

Little Snitch is a firewall application that monitors and controls outbound internet traffic.

Carbon Copy Cloner

Carbon Copy Cloner (CCC) features an interface designed to make the cloning and backup procedure…

Comodo Firewall

Comodo Firewall Pro - Secure your system against internal attacks such as Trojan viruses /…

Firestarter

Firestarter is an Open Source visual firewall program.

GlassWire

Visualize network activity in detail, get notified when new apps access the network, look out for…

Gufw

Gufw is an easy, intuitive way to manage your Linux firewall.

IceFloor

IceFloor is the first OS X free graphic frontend for PF.

Mobiwol

Mobiwol is a NoRoot Firewall

NetGuard

NetWorx

NetWorx is a simple and powerful tool that helps you objectively evaluate your bandwidth situation.

OpenSnitch

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

Radio Silence

Radio Silence is a network monitor and firewall for the macOS. The software stops apps from making network connections. The firewall runs in the background and does not require an open window.

TinyWall

Lightweight and non-intrusive firewall

TripMode

Manage your Mac’s broadband usage while on a hotspot

Unclutter

Unclutter is an app that is designed to help Mac users bring order to their desktop. Among other features, this powerful piece of software provides quick access to a user’s notepad and clipboard.

Windows 10 Firewall Control

Windows 10 Firewall Control: simple and exhaustive solution for applications network activity controlling and monitoring.

Windows Firewall Notifier

Windows Firewall Notifier (WFN) extends the default Windows embedded firewall behavior, allowing to…

ZoneAlarm Free Firewall

Personal Firewall software

simplewall

Simple tool to configure Windows Filtering Platform (WFP) which can configure network activity on…

19 Alternatives To Little Snitch