NetLimiter Alternatives Filtered by 'Network Security'

The best alternative to NetLimiter is Portmaster, which is both free and Open Source. If that doesn't work for you, our users have ranked more than 25 alternatives to NetLimiter, but unfortunately only one of them is.

filter to find the best alternatives

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

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NetLimiter alternatives page was last updated May 2, 2025

Portmaster
185 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.
37 Portmaster alternatives
Cost / License
Freemium
Open Source (GPL-3.0)
Application types
Firewall
Ad Blocker
Origin
Austria
EU
Platforms
Windows
Linux
+3
Is Portmaster a good alternative to NetLimiter?

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4comments
Portmaster vs NetLimiter Comments

Guest
Negative commentJan 20, 2023
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 commentMar 12, 2023
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 commentJan 2, 2023
-1
more options, more advanced, simpler, and open source
3 of 4 comments
Portmaster is Freemium and Open SourceNetLimiter is Paid and Proprietary
Portmaster is Privacy focused, Lightweight and DecentralizedNetLimiter is not according to our users

1 of 1 NetLimiter alternatives