cFosSpeed is not available for Mac but there is one alternative that runs on macOS with similar functionality. The best Mac alternative is Throttled Pro. If that doesn't work for you, our users have ranked more than 10 alternatives to cFosSpeed, but unfortunately only one of them is available for Mac. If you can't find an alternative you can try to remove all filters.
cFosSpeed alternatives are mainly Firewalls but may also be Network Monitors or Anti-Malware Apps. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of cFosSpeed.