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C3B
Portero
I do things with machines.
#10021043
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Portero
Know exactly what's running on every port of your Mac
Jul 2026
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Joined Product Hunt
July 14th, 2026
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4h ago
Portero - Know exactly what's running on every port of your Mac
Portero is a free, open source Mac app that shows every open port and the process behind it. See what's running, kill processes on busy ports, fix 'address already in use' errors, and block ports with the built-in macOS firewall.
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