Safing Portmaster

App firewall and privacy monitor for your whole computer

About Safing Portmaster

Portmaster is a free, open-source application firewall from Safing that shows and controls all network connections. Key features include per-app connection blocking, secure DNS, tracker blocking statistics, and an optional SPN privacy network. A free tier covers everyday basics, while paid plans listed on the official site unlock higher limits, advanced features, and support for heavier or professional use.

Safing Portmaster key facts

Category: Utilities & Security
Pricing: Freemium — a free tier lets you start, and paid plans are available if you need more.
Focus areas: firewall, privacy, open source, dns
Official site: safing.io

About the Utilities & Security category

Password managers, cloud storage, and VPNs for everyday digital security. The Utilities & Security category on Tools Hub currently lists 667 tools. Alongside Safing Portmaster, it includes NetLimiter, NetSpot, LibreSpeed, Quicksilver.

FreemiumUtilities & Securityfirewallprivacyopen-sourcedns

More in Utilities & Security

Comparing tools in the Utilities & Security category? These related listings are worth a look: NetLimiter — Internet traffic control and monitoring for Windows; NetSpot — Wi-Fi site survey and analysis for Mac and Windows; LibreSpeed — Self-hosted speed test with no Flash or Java.