Best Portmaster Alternatives (30)

Looking for a Portmaster alternative? We've compiled the best options based on user reviews, features, and pricing to help you find the right fit.

What is Portmaster? Portmaster is a free, open source application firewall and HTTPS proxy for Windows that protects against malicious content getting to your computer. It blocks malware, ads, and trackers from making connections.

Top Alternatives to Portmaster

Fort Firewall

Fort Firewall

Open Source

Fort Firewall is a network security software that provides enterprise-grade protection against cyber threats. It combines cutting-edge threat prevention capabilities …

NetGenius is a network management and monitoring software that provides centralized visibility and control across multi-vendor networks. It features automated …

simplewall

simplewall

Open Source

Simplewall is a free and open-source firewall program for Windows. It is lightweight, customizable, and blocks unwanted network connections with …

ufw

ufw

ufw (Uncomplicated Firewall) is a frontend for managing firewall rules in Linux. It aims to provide an easy interface for …

NetLimiter is a internet traffic control and monitoring tool for Windows. It allows you to set download/upload limits and monitor …

LuLu by Objective-See

LuLu by Objective-See

Open Source

LuLu is a free, open source firewall application developed by Objective-See for macOS. It blocks unknown outgoing connections to protect …

Firewalld is a firewall management tool for Linux operating systems. It provides a dynamically managed firewall with support for network …

GlassWire is a free network security monitor and analyzer for Windows that visualizes network activity and alerts users to suspicious …

AdGuard is an ad blocking and privacy protection software and browser extension. It blocks ads and trackers across all browsers …

Gufw

Gufw

Open Source

Gufw is a firewall configuration tool for Linux systems using iptables. It provides a graphical user interface to easily enable …

upribox

upribox

Open Source

Upribox is an open-source personal server device designed for privacy and security. It allows users to securely store data, share …

Comodo Free Firewall is a free personal firewall software that helps protect your computer from unauthorized access and malware. It …

Pi-hole

Pi-hole

Open Source

Pi-hole is an open source DNS sinkhole and ad blocker that works at the network level. It allows users to …

ufw KDE is a graphical user interface for managing the Uncomplicated Firewall (ufw) on Linux. It allows you to easily …

RethinkDNS

RethinkDNS

Open Source

RethinkDNS is an open source DNS server that focuses on security, privacy, and performance. It blocks ads and trackers while …

OpenSnitch

OpenSnitch

Open Source

OpenSnitch is an open source application firewall for GNU/Linux systems. It monitors and controls network connections to protect against unwanted …

NetPeeker is a network monitoring tool that allows users to inspect network traffic, monitor bandwidth usage, detect intrusions, and analyze …

Little Snitch is a macOS firewall that monitors outgoing and incoming connections, alerting you to any unexpected activity. It lets …

More Similar Software

Portmaster Overview

Portmaster is a free, open source application firewall and HTTPS proxy for Windows designed to protect your privacy and security when browsing the web. It functions like an antivirus for your internet connection by analyzing network traffic in real-time and blocking malicious content before it reaches your computer.Some of the key features of Portmaster include:Blocks ads, trackers and telemetrics that follow you around the web and collect sensitive personal dataPrevents connections to malicious sites and servers that spread malwareEncrypts your …

Pricing: Open Source

Quick Comparison

SoftwarePricingScore
PortmasterOpen Source
Fort FirewallOpen Source
NetGeniusN/A
simplewallOpen Source
ufwN/A
NetLimiterN/A
LuLu by Objective-SeeOpen Source
FirewalldN/A
GlassWireN/A
AdGuardN/A
GufwOpen Source

Read full Portmaster review → | Browse Security-Privacy software