Alternatives to NetDefender for all platforms with any license

Platforms

Show 2 less popular platforms
  • ZoneAlarm Free Firewall 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

    No features added Add a feature
  • Windows Firewall Notifier icon

    Windows Firewall Notifier

    Windows Firewall Notifier (WFN) extends the default Windows embedded firewall behavior, allowing to visualize and handle incoming or outgoing connections.

    Open Source Windows

    No features added Add a feature
  • PC Tools Firewall Plus icon

    PC Tools Firewall Plus

    PC Tools Firewall Plus is a powerful free personal firewall for Windows® that protects your computer by preventing unauthorized users from gaining access to your...

    Free Windows

    No features added Add a feature
    • Discontinued Last version, 6.0.0.74, was released on September 29, 2009. It can be still downloaded from Download.com.
  • Sygate Personal Firewall icon

    Sygate Personal Firewall

    Sygate Personal Firewall is a bit old but good firewall for Windows. It uses very small amount of system resources and is quite robust. The project is now...

    Free Windows

    No features added Add a feature
    • Discontinued On October 10, 2005 Symantec Corporation acquired Sygate Technologies, so Sygate Personal Firewall has been replaced by an advanced "Smart Firewall," available in Symantec’s Norton Internet Security. Sygate Personal Firewall can still be downloaded from Tucows.
  • NoRoot Firewall icon

    NoRoot Firewall

    Firewall WITHOUT ROOT. Host name/domain name filtering, simple interface, fine-grained access control and no suspicious permissions on the firewall app itself.

    Free Android

    No features added Add a feature
  • SoftPerfect Personal Firewall icon

    SoftPerfect Personal Firewall

    The SoftPerfect Personal Firewall is a free network firewall designed to protect your PC against attacks from the Internet or via a local area network. SoftPerfect...

    Free Windows

    • Discontinued The program is no longer available on the official website. Last version, 1.4.1, released on August 01, 2008, can be still downloaded from Softpedia.
  • Core Force

    CORE FORCE is a free comprehensive endpoint security solution for Windows 2000 and Windows XP systems. CORE FORCE provides inbound and outbound stateful packet...

    Open Source Windows

    No features added Add a feature

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