Alternatives to OpenSnitch for all platforms with Free License

  • Comodo Free Firewall

    Secure your system against internal attacks such as Trojan viruses / malicious software and external attacks by hackers. Safeguard your personal data through a simple...

    Free Windows

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    Comodo Free Firewall icon
  • Gufw

    Gufw is an easy, intuitive way to manage your Linux firewall. It supports common tasks such as allowing or blocking pre-configured, common p2p, or individual ports...

    • it's a Firewall not an application Firewall Guest • Apr 2018 • 1 agrees and 0 disagrees Disagree   Agree

    Free Open Source Linux

    Gufw icon
  • ZoneAlarm Free Firewall

    ZoneAlarm Free Firewall blocks hackers from infiltrating your home PC by hiding your computer from unsolicited network traffic. By detecting and preventing intrusions...

    Freemium Windows

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    ZoneAlarm Free Firewall icon
  • Firestarter

    Firestarter is an Open Source visual firewall program. The software aims to combine ease of use with powerful features, therefore serving both Linux desktop users and...

    • Discontinued Active development stopped in 2005.

    Free Open Source Linux

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    Firestarter icon
  • Douane

    Douane is a personal firewall that protects a user's privacy by allowing a user to control which applications can connect to the internet from their GNU/Linux...

    Free Open Source Linux

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    Douane icon
  • Nufw

    NuFW is a GPL extension to Netfilter (that is Linux firewall). It adds identity-based filtering, i.e. it is possible to create firewall rules dependent on the user. ...

    • It's not an application firewall Guest • Apr 2018 Disagree   Agree

    Free Open Source Linux netfilter

    Nufw icon
  • Guarddog

    Guarddog is a firewall configuration utility for Linux systems. Guarddog is aimed at two groups of users. Novice to intermediate users who are not experts in TCP/IP...

    • It's not a application firewall Guest • Apr 2018 Disagree   Agree

    Free Open Source Linux

    No features added Add a feature

    Guarddog icon

Platforms

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