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Portero

Free, open source Mac app that shows every open port and the process behind it. Kill what you don

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Portero screenshot, image 1

Overview

Portero is a free, open source Mac app that shows every open port and the process behind it. See what

AI summary

Portero is a free, open source Mac app designed to provide users with a clear view of all open ports on their machine, detailing the processes associated with each port. It offers functionalities such as the ability to block traffic, kill processes, and detect port conflicts, making it suitable for developers and system administrators.

Sources behind this listingSee source links, recorded dates and owner corrections.

Observed facts come from public pages. Founder-edited facts are supplied by the verified owner. AI-inferred facts are model interpretations; derived facts are calculated from other data. A source link lets you check the current page. It does not guarantee the fact is still current.

Dates show when a record was saved. Some older records use the listing’s update date; they are not proof of a fresh check. Missing source records are shown explicitly.

TaglineFree, open source Mac app that shows every open port and the process behind it. Kill what you don
ObservedRecorded Source: porteroapp.pages.dev
DescriptionPortero is a free, open source Mac app that shows every open port and the process behind it. See what
ObservedRecorded Source: porteroapp.pages.dev
Free planNot stated
Source not recordedDate not recordedSource link unavailable
Free trialNot stated
Source not recordedDate not recordedSource link unavailable
IntegrationsGitHub
ObservedRecorded Source: porteroapp.pages.dev
SummaryPortero is a free, open source Mac app designed to provide users with a clear view of all open ports on their machine, detailing the processes associated with each port. It offe...
AI-inferredRecorded Source link unavailable

Who Is It For

Best for

Developers and system administrators who need to monitor and manage open ports on macOS devices.

Not for

Users seeking a comprehensive network management tool with extensive features beyond port monitoring.

Strengths & Weaknesses

Biggest strength

Portero provides a user-friendly interface that explains processes in plain language, making it accessible for users who may not be familiar with networking concepts.

Classification

Likely competitors
Little SnitchWiresharkNetSpot

Alternatives to Portero

See all alternatives to Portero

Community

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How we sourced this: Observed fields () were crawled from https://porteroapp.pages.dev/ when recorded. Source links and dates are available above. AI-inferred fields () were generated by gpt-4o-mini and are always labelled, never presented as measured fact. Last updated: 22 September 2026. Site availability checked: 22 September 2026. Is this your tool? Claim it to edit and get a do-follow badge.