NetLimiter is not available for Linux but there are plenty of 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 25 alternatives to NetLimiter and 11 are available for Linux so hopefully you can find a suitable replacement. Other interesting Linux alternatives to NetLimiter are Little Snitch, Gufw, NethSecurity and Wonder Shaper.
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.
Firewall application for monitoring and controlling outbound network connections, notifying users of attempted access, supporting rule-based blocking, real-time alerts on suspicious activity, and preventing unauthorized data transmission on macOS systems.
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).
All the functionalities of a modern Next-Gen firewall in few clicks: MultiWAN, Deep Packet Inspection, VPNs, Threat Protection.
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
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.
TrafficToll allows you to limit download and upload bandwidth globally (per interface) and per process, even during the process' runtime.
trickle is a portable lightweight userspace bandwidth shaper. It can run in collaborative mode (together with trickled) or in stand alone mode.
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Portmaster does not provide a way to set bandwidth limits, so it is not similar enough to NetLimiter to be an alternative.