Portmaster Alternatives

Portmaster is described as 'Free and open-source tool that monitors all network activity, blocks unwanted connections, uses filter lists for ads and malware, enforces DNS-over-TLS, and sets custom app rules' and is a very popular Firewall in the security & privacy category. There are more than 25 alternatives to Portmaster for a variety of platforms, including Windows, Linux, Android, Mac and iPhone apps. The best Portmaster alternative is NextDNS, which is both free and Open Source. Other great apps like Portmaster are AdGuard, simplewall, Pi-hole and RethinkDNS.

filter to find the best alternatives

Portmaster alternatives are mainly Firewalls, but if you're looking for Network Monitors or Ad Blockers you can filter on that. Other popular filters include Open Source. These are just examples - use the filter bar below to find more specific alternatives to Portmaster.
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Alternatives list

  1. PortExpert icon

    PortExpert

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    PortExpert gives you a detailed vision of your personnal computer cybersecurity. It automatically monitors all applications connected to the Internet and give you all the information you might need to identify potential threats to your system.

    1 PortExpert alternatives

    Cost / License

    • Free
    • Proprietary

    Alerts

    • Discontinued

    Platforms

    • Windows
    • PortableApps.com
    PortExpert screenshot 1
     
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