NetLimiter is not available for Linux but there are some alternatives that runs on Linux with similar functionality. The best Linux alternative is Portmaster, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 10 alternatives to NetLimiter and five of them are available for Linux so hopefully you can find a suitable replacement. Other interesting Linux alternatives to NetLimiter are Gufw (Free, Open Source), trickle (Free, Open Source), Wonder Shaper (Free) and TrafficToll (Free, Open Source).
All-Around System Privacy Since the Portmaster sits on your kernel, you can finally protect your whole computer, not just your browser. Do you want to block Ads and Analytics for your whole operating system? The Portmaster has you covered.
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).
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Gufw vs NetLimiter opinions
This alternative is disputed. Gufw is still a legitimate alternative to NetLimiter, but it might have issues that some users think are important.
On Linux, it uses netfilter to rate-limit ports and applications
trickle works by taking advantage of the unix loader preloading. Essentially it provides, to the application, a new version of the functionality that is required to send and receive data through sockets.