The best alternative to NetLimiter is Little Snitch. It's not free, so if you're looking for a free alternative, you could try SterJo Netstalker. If that doesn't suit you, our users have ranked more than 25 alternatives to NetLimiter and three of them are so hopefully you can find a suitable replacement.
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.
Monitor network applications, personal firewall, trace whois, network speed limiter.
SterJo NetStalker is innovative and FREE security software able to detect all authorized and unauthorized connections to your computer and send you alert for each new connection.
Austria
EU
China
North Macedonia
Not the same type of program