Open Source NetLimiter Alternatives for Linux

NetLimiter is not available for Linux but there are some alternatives that runs on Linux with similar functionality. The best open source Linux alternative is Portmaster. If that doesn't suit you, our users have ranked more than 25 alternatives to NetLimiter and nine of them are open source and available for Linux so hopefully you can find a suitable replacement. Other interesting open source Linux alternatives to NetLimiter are Gufw, NethSecurity, vnStat Client and Bouncer App.

filter to find the best alternatives

NetLimiter alternatives are mainly Firewalls, but if you're looking for Network Monitors or Privacy Tools you can filter on that. Other popular filters include Open Source, Free, Mac, Linux + Open Source, Windows + Free and Windows. These are just examples - use the filter bar below to find more specific alternatives to NetLimiter.
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Alternatives list

  1. Portmaster icon

    Portmaster

     173 likes

    Free, open-source privacy suite monitoring all network activity, blocking unwanted connections, using trusted filter lists for ads and malware, enforcing DNS-over-TLS, providing custom app and global rules, and supporting advanced privacy management.

    35 Portmaster alternatives

    Cost / License

    • Freemium (Subscription)
    • Open Source (GPL-3.0)

    Application types

    Platforms

    • Windows
    • Linux
    Dashboard PMv1.4
     
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    4
    Comments about Portmaster as an Alternative to NetLimiter
    Guest
    Negative
    8

    Portmaster does not provide a way to set bandwidth limits, so it is not similar enough to NetLimiter to be an alternative.

    Review by a new / low-activity user.
    Guest
    Negative
    8

    NetLimiter's primary usage is to limit speed. Portmaster doesn't limit speed. So Portmaster is irrelevant.

    Review by a new / low-activity user.
    Martin Ligabue
    Positive
    -1

    more options, more advanced, simpler, and open source

    3 of 4 comments
    NetLimiter Icon
    Portmaster icon

    • This alternative is disputed. Portmaster is a legitimate NetLimiter alternative, but it might have issues that some users think are important.

    • Portmaster is the most popular Windows & Linux alternative to NetLimiter.

    • Portmaster is the most popular Open Source & free alternative to NetLimiter.

    • Portmaster is Freemium and Open SourceNetLimiter is Paid and Proprietary
    • Portmaster is Privacy focused and LightweightNetLimiter is not according to our users
  2. Gufw icon

    Gufw

     52 likes

    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 port(s), and many others! Gufw is powered by Uncomplicated Firewall (ufw).

    Cost / License

    Application type

    Platforms

    • Linux
    • Python
    Gufw screenshot 1
    Main Gufw window where you set which applications to allow or block.
    Adding the new rules
     
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    1
    6
    Comments about Gufw as an Alternative to NetLimiter
    Guest
    Positive
    -4

    On Linux, it uses netfilter to rate-limit ports and applications

    Review by a new / low-activity user.
    NetLimiter Icon
    Gufw icon

    • This alternative is disputed. Gufw is a legitimate NetLimiter alternative, but it might have issues that some users think are important.

    • Gufw is Free and Open SourceNetLimiter is Paid and Proprietary
    • Gufw is LightweightNetLimiter is not according to our users
  4. NethSecurity icon

    NethSecurity

     1 like

    All the functionalities of a modern Next-Gen firewall in few clicks: MultiWAN, Deep Packet Inspection, VPNs, Threat Protection.

    34 NethSecurity alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Linux
    NethSecurity screenshot 1
     
  5. vnStat Client icon

    vnStat Client

     Like

    GUI Client for vnStat Network Monitor for Linux or GNU/Linux - GitHub - Hulxv/vnstat-client: GUI Client for vnStat Network Monitor for Linux or GNU/Linux

    Cost / License

    Application type

    Platforms

    • Linux
    Choose custom interval modal
     
  6. Bouncer App icon

    Bouncer App

     1 like

    Bouncer is an application to help you choose the correct firewall zone for wireless connections. When you connect to a new network, Bouncer will open a window prompting you for what kind of network (eg home, public, work) it is.

    Cost / License

    Platforms

    • Linux
    • Flathub
    • Flatpak
    Bouncer App screenshot 1
     
  7. TrafficToll icon

    TrafficToll

     1 like

    TrafficToll allows you to limit download and upload bandwidth globally (per interface) and per process, even during the process' runtime.

    Cost / License

    Platforms

    • Linux
    TrafficToll screenshot 1
     

  9. trickle - Userland Bandwidth Shaper

     3 likes

    trickle is a portable lightweight userspace bandwidth shaper. It can run in collaborative mode (together with trickled) or in stand alone mode.

    Cost / License

    • Free
    • Open Source

    Alerts

    • Discontinued

    Platforms

    • Linux
    • Xfce
     
  10. ufw KDE icon

    ufw KDE

     Like

    KDE front-end to ufw, similar to the GTK/Gnome based gufw.

    Cost / License

    Application type

    Alerts

    • Discontinued

    Platforms

    • Linux
    • KDE
    • Kubuntu
    • KDE neon
     
  11. Douane icon

    Douane

     2 likes

    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 computer.

    Cost / License

    • Free
    • Open Source

    Application type

    Alerts

    • Discontinued

    Platforms

    • Linux
    Douane screenshot 1
     
9 of 9 NetLimiter alternatives