NetDefender Alternatives

    NetDefender is described as 'free and open source firewall for Windows 2000/XP' and is an app in the Security & Privacy category. There are seven alternatives to NetDefender for Windows and Android. The best alternative is Windows Firewall Notifier, which is both free and Open Source. Other great apps like NetDefender are ZoneAlarm Firewall (Freemium), PC Tools Firewall Plus (Free), Core Force (Free, Open Source) and Sygate Personal Firewall (Free).

    This page was last updated Feb 13, 2019

    1. Windows Firewall Notifier (WFN) extends the default Windows embedded firewall behavior, allowing to visualize and handle incoming or outgoing connections. Features: - Connections listing. - Real time connections mapping with routes. - Bandwidth monitoring.
      show more
    2. ZoneAlarm Free Firewall blocks hackers from infiltrating your home PC by hiding your computer from unsolicited network traffic.
      show more


    3. 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 computer through the Internet or a network.

      Discontinued

      Last version, 6.0.0.74, was released on September 29, 2009. It can be still downloaded from Download.com.

      show more
      • FreeOpen Source
      • Windows
      CORE FORCE is a free comprehensive endpoint security solution for Windows 2000 and Windows XP systems.

      Discontinued

      Last modification date: 10/25/05. See https://www.coresecurity.com/grid/index-open-source-tools

      No screenshots yet
    4. Sygate Personal Firewall is a bit old but good firewall for Windows. It uses very small amount of system resources and is quite robust.

      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      On October 10, 2005 Symantec Corporation acquired Sygate Technologies, so Sygate Personal Firewall has been replaced by an advanced "Smart Firewall," available in Symantec’s Norton Internet Security.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.



    5. 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 Personal Firewall offers customizable security using user-defined rules for packet filtering.

      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.

      show more
    6. Firewall WITHOUT ROOT. Host name/domain name filtering, simple interface, fine-grained access control and no suspicious permissions on the firewall app itself.
      show more
    Showing 7 of 7 alternatives